Evidence used
- No CISA KEV confirmation is currently recorded.
- A structured source references public exploit or proof-of-concept material.
- EPSS is 1.10% for the current model date.
BlackTreeCVE IntelligenceFull vulnerability report · 2024
CVE-2024-6923High confidence
Email header injection due to unquoted newlines
Python Software Foundation · CPython
5.5MediumCVSS 3.1
Patch only the product branches with a verified fix
Fix availability varies by productMedium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 12 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
R
Open reassessment dashboard →Operational reassessment
Published severity in operational context
Published severityMedium→Operational priority:High, raised one band.upgradedsince 3 Nov 2025
Compensating controls
- Validate the affected product branch and deploy the verified fixed release.
- Restrict the affected network interface to trusted sources where business-safe.
- Increase monitoring for the attack path and post-exploitation behaviour described in the report.
Verification
- Confirm that the asset runs Python Software Foundation CPython and falls inside the recorded affected range.
- Verify the installed build against the product-specific fixed version after deployment.
- Validate exposure, authentication requirements and compensating controls in the actual environment.
- Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Remediation availability differs by product scope
Verified remediation exists for at least one product or source, but 12 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
- Siemens ProductCERT: 11 affected or under-investigation product states without a fixed product state in the same current advisory
- Debian Security Tracker: 1 affected package state with no published fix
Distribution package intelligence
12 package statesRelease-specific package status
Alpine, Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.
Package result overrides the generic status
BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 1 affected package state shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.
Repository candidate not checked
A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.
| Distribution release | Source package | Vendor state | Fixed version | Evidence |
|---|---|---|---|---|
| Alpine v3.23v3.23 · main | python3 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 3.12.5-r0 | Alpine Security Database ↗Source updated 3 Oct 2026 |
| Alpine v3.22v3.22 · main | python3 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 3.12.5-r0 | Alpine Security Database ↗Source updated 3 Oct 2026 |
| Alpine v3.21v3.21 · main | python3 | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 3.12.5-r0 | Alpine Security Database ↗Source updated 3 Oct 2026 |
| Debian trixietrixie · source | pypy3 | Vendor fix publishedDebian records a fixed source-package version for this release. | 7.3.18+dfsg-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian trixietrixie · source | python3.13 | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.13.0~rc2-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian bookwormbookworm · source | pypy3 | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian bookwormbookworm · source | python3.11 | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.11.2-6+deb12u5 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian forkyforky · source | pypy3 | Vendor fix publishedDebian records a fixed source-package version for this release. | 7.3.18+dfsg-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian forkyforky · source | python3.13 | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.13.0~rc2-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian sidsid · source | pypy3 | Vendor fix publishedDebian records a fixed source-package version for this release. | 7.3.18+dfsg-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Debian sidsid · source | python3.13 | Vendor fix publishedDebian records a fixed source-package version for this release. | 3.13.0~rc2-1 | Debian Security Tracker ↗Source updated 6 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | python3.12 | Vendor fix publishedCanonical reports that a fixed source package version has been published. Repository candidate availability is not checked by BlackTree. | 3.12.3-1ubuntu0.2 | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
Direct vendor intelligence
2 currentAuthoritative vendor CSAF and VEX advisories
Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.
CVE-2024-6923 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitycpython: python: email module doesn't properly quotes newlines in email headers, allowing header injection
The vendor explicitly identifies these products as affected by this CVE.
- python as a component of Red Hat Enterprise Linux 6
- python-devel as a component of Red Hat Enterprise Linux 6
- python-libs as a component of Red Hat Enterprise Linux 6
- python-test as a component of Red Hat Enterprise Linux 6
- python-tools as a component of Red Hat Enterprise Linux 6
- python.src as a component of Red Hat Enterprise Linux 6
- tkinter as a component of Red Hat Enterprise Linux 6
- python as a component of Red Hat Enterprise Linux 7
- python-debug as a component of Red Hat Enterprise Linux 7
- python-devel as a component of Red Hat Enterprise Linux 7
- python-libs as a component of Red Hat Enterprise Linux 7
- python-test as a component of Red Hat Enterprise Linux 7
- Summary
- A vulnerability was found in the email module that uses Python language. The email module doesn't properly quote new lines in email headers. This flaw allows an attacker to inject email headers that could, among other possibilities, add hidden email destinations or inject content into the email, impacting data confidentiality and integrity.
- Remediation
- Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
SSA-202008 · CSAF 2.0 · revision 1 · interimSiemens ProductCERTSSA-202008: Multiple Vulnerabilities in Ruggedcom Rox Before V2.17.0
The vendor explicitly identifies these products as affected by this CVE.
- RUGGEDCOM ROX MX5000
- RUGGEDCOM ROX MX5000RE
- RUGGEDCOM ROX RX1400
- RUGGEDCOM ROX RX1500
- RUGGEDCOM ROX RX1501
- RUGGEDCOM ROX RX1510
- RUGGEDCOM ROX RX1511
- RUGGEDCOM ROX RX1512
- RUGGEDCOM ROX RX1524
- RUGGEDCOM ROX RX1536
- RUGGEDCOM ROX RX5000
- Summary
- There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
- Remediation
- Update to V2.17.0 or later version
Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 12 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
Fix availability varies by product01
What, why and how
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
What
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Why
Untrusted data can cross into a code-evaluation path and be interpreted as executable instructions.
How
An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
What
There is a MEDIUM severity vulnerability affecting CPython. The email module didn’t properly quote newlines for email headers when serializing an email message allowing for header injection when an email is serialized.
Why
Untrusted data can cross into a code-evaluation path and be interpreted as executable instructions.
How
An attacker operating through a network path may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
02
Exploit reality and attack path
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
Observed exploitation No confirmed evidence
?
Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.
Public PoC / exploit material Reference recorded
?
Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.CISA Vulnrichment records proof-of-concept exploitation in its SSVC data. BlackTree has not independently executed or validated exploit material.
- Likely attack path
- a network path → Improper Control of Generation of Code ('Code Injection') → cause the confidentiality, integrity or availability impact described by the vendor
- Attack surface
- Network
- Privileges required
- Low: a basic authenticated account is required
- User interaction
- Required interaction required
- Attack complexity
- Low: no specialised conditions are recorded
- Security boundary
- Unchanged: impact remains within the vulnerable component's security authority
- Weakness
?
CWE means Common Weakness Enumeration: a standard category for the underlying weakness. - CWE-94 ↗
CWE-94: Improper Control of Generation of Code ('Code Injection'). The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
- CVSS vector
?
CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity. CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:LCommon Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.
AVNetworkAttack vector: The vulnerable component can be reached over a network.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CLowConfidentiality impact: A successful attack can cause a limited loss.ILowIntegrity impact: A successful attack can cause a limited loss.ALowAvailability impact: A successful attack can cause a limited loss.- Post-exploitation / living off the land
- No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
03
Patch and workaround
Operational remediation based on structured source evidence.
- Status
?
Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change. - Fix availability varies by product
- Affected
- python as a component of Red Hat Enterprise Linux 6
- python-devel as a component of Red Hat Enterprise Linux 6
- python-libs as a component of Red Hat Enterprise Linux 6
- python-test as a component of Red Hat Enterprise Linux 6
- python-tools as a component of Red Hat Enterprise Linux 6
- python.src as a component of Red Hat Enterprise Linux 6
- tkinter as a component of Red Hat Enterprise Linux 6
- python as a component of Red Hat Enterprise Linux 7
- python-debug as a component of Red Hat Enterprise Linux 7
- python-devel as a component of Red Hat Enterprise Linux 7
- python-libs as a component of Red Hat Enterprise Linux 7
- python-test as a component of Red Hat Enterprise Linux 7
- python-tools as a component of Red Hat Enterprise Linux 7
- python.src as a component of Red Hat Enterprise Linux 7
- python3 as a component of Red Hat Enterprise Linux 7
- python3-debug as a component of Red Hat Enterprise Linux 7
- python3-devel as a component of Red Hat Enterprise Linux 7
- python3-idle as a component of Red Hat Enterprise Linux 7
- python3-libs as a component of Red Hat Enterprise Linux 7
- python3-test as a component of Red Hat Enterprise Linux 7
- python3-tkinter as a component of Red Hat Enterprise Linux 7
- python3.src as a component of Red Hat Enterprise Linux 7
- tkinter as a component of Red Hat Enterprise Linux 7
- python2-debug (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2-devel (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2-libs (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2-test (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2-tkinter (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2-tools (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- python2.src (gimp:flatpak) as a component of Red Hat Enterprise Linux 8
- and 1 more
- Fixed
- service-interconnect/skupper-config-sync-rhel9@sha256:025f8c5b4ea63567a49b79945932e877f2279bc149c832283226a8488590ab37_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-config-sync-rhel9@sha256:51c106e22bc98c6678dafc2f42e387f6e6158e686436e6f89747703dd9c1bbbc_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-flow-collector-rhel9@sha256:58ec0e5cb8a9544153410867797e40055928dbd589e652e02bf4cddff083f5f6_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-flow-collector-rhel9@sha256:c338911564f18192114799711b16bc3015da0f53cbc9eb44418b6d1e78864bf9_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-operator-bundle@sha256:32c03556f3eb7f87c0624b105e8d9aac7dcfaea71adf16e4e9825586829880c1_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-operator-bundle@sha256:b6d7798d7fdfd40662f0d479efe7eb35414cbbd3643ea02cd05c71aeea020ffb_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-router-rhel9@sha256:0f7be97ca4fabb79ff77557429f0d08118eb5afc4e7322361493d322ae57cd08_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-router-rhel9@sha256:958ec2e1c85c49252d7b49a7b0073a0e73dffac31e46bad2b0a788114cb13c74_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-service-controller-rhel9@sha256:2da6dba7b2c9a47d0eedd7915a470d1a4e435848962ba39c72b8ea0d2bc9c1d8_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-service-controller-rhel9@sha256:34ce86c11588f0c7b2ba40ff988a8b6ac7ae6d29182e94d3a65e5756c68578f8_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-site-controller-rhel9@sha256:04dd17efae41b6d7e07fd89b8eddca076dfea7cb4e603a83c5c4e27062ef4c90_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-site-controller-rhel9@sha256:cce081bb2d5ae131770dfd095c2e8ad2fcc616d9b3fc487f9252c8f721f1b2ba_amd64 as a component of 9Base-Service-Interconnect-1.4
- service-interconnect/skupper-config-sync-rhel9@sha256:01b7f735b8efd48b3406d116a7885f4545efa21786fd96ea3479573b72181e6c_amd64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:1e51ccc87e6b809e6f510eafaebf9d7b6d9ac02d85d99a21f7c2b3546d95c993_arm64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:1fa92e9dd6c8be900e19a56601239a5cd77c73926f5d1df486541a47fd82d48a_ppc64le as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:2dedeeda52b1701d005dee4c2277c949d978214d32fffbdfc63e7c5ead8f1782_ppc64le as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:450bcad67cd3fb43bb1a1eee5a1b5c2fe30b35e5ee1733d49acaccbbcb3c01df_amd64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:7460ced07d36f6ce528561e92db8f212b2db38ecefa6f28b1c6d336f676f5010_s390x as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:7dd1ff26d428fc7b075b0ccd4e19ecce723029e2e3b957c59716ceb48a532f09_arm64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-config-sync-rhel9@sha256:aa3f104a46c7d0a1cdbea484270196933d3d9ba831adf66a82ca9f4d5bf6c1c1_s390x as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:03c5da9f3d13f3d5c54072cec23d09e49c18925d389817f3c75ab73e94be9e45_arm64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:2da92855aa7fc0a5b17909ca2e43950a9785ca3b58b001880caaddfe69bd7c1b_s390x as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:2e40acb1ece840bf75b32a7a5a1410ccb510f640f062e42b636efd2da57d8254_amd64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:8ec1dd7c77d43c4fd85e34e9b57407616d41b297d207427b7cda3055edacf1fb_s390x as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:a267af3a4a7ac8bc1a95ab4668d38b78eb2b6ebb4c435725b28e0139994b1db8_arm64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:b370e625537896ac976aea04fbfc08a1d8f49470ad86bcbf56f911612ace5705_ppc64le as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:bdf007b74711d3bbd1986a29c9702e5b237edc34b2db86c70df7c8fd47e54454_ppc64le as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-container-rhel9@sha256:ef40b43b27d8bd205d01ee1a6e11fbceaa345ab72ee6d39e2d436fa1b99a9aaa_amd64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-rhel9@sha256:03c5da9f3d13f3d5c54072cec23d09e49c18925d389817f3c75ab73e94be9e45_arm64 as a component of Red Hat Service Interconnect 1
- service-interconnect/skupper-controller-podman-rhel9@sha256:2da92855aa7fc0a5b17909ca2e43950a9785ca3b58b001880caaddfe69bd7c1b_s390x as a component of Red Hat Service Interconnect 1
- and 1534 more
- Action
- Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
- Workaround
- No verified workaround is recorded. If business-safe, reduce exposure to the affected interface and allow only trusted sources until authoritative guidance is available.
04
Evidence and provenance
Published 1 Aug 2024 · Last source change 3 Nov 2025, 22:32 UTC · CWE-94 · Improper Control of Generation of Code ('Code Injection')
CVE recordCVE.org · 5.2
CVSS sourceCISA ADP
EPSS source FIRST · tracked since 2026-08-14
?
The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.European sourceENISA EUVD · EUVD-2024-48020
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCISA ADP
NVD statusNVD not scheduled
Core structured fields are present and their contributing authorities are shown above.
Material change intelligence
View recent updates ↗What changed after publication
- Affected versionsThe structured affected or fixed version information changed.Red Hat Product Security ↗
- Before
- < 3.8.20; 3.9.0 < 3.9.20; 3.10.0 < 3.10.15; 3.11.0 < 3.11.10; 3.12.0 < 3.12.5; 3.13.0a1 < 3.13.0rc2 · Fixed: No fixed version is explicitly recorded in the structured CVE data.
- After
- < 3.8.20; 3.9.0 < 3.9.20; 3.10.0 < 3.10.15; 3.11.0 < 3.11.10; 3.12.0 < 3.12.5; 3.13.0a1 < 3.13.0rc2 · Fixed: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
- Remediation statusRemediation status changed from Awaiting fix to Patch available.Red Hat Product Security ↗
- Before
- Awaiting fix
- After
- Patch available
CVE published
Fixed release recorded from official guidance
Technical terms and abbreviations used in this report
- CVE
- Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
- CVSS
- Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
- EPSS
- Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
- CWE
- Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
- CNA
- CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
- CISA ADP
- Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
- NVD
- National Vulnerability Database: NIST's enrichment service for CVE records.
- CERT / CSIRT
- A computer security incident response team that publishes warnings or coordinates incident response.
- PoC
- Proof of concept: public material that demonstrates or helps reproduce exploitation.
- CSAF
- Common Security Advisory Framework: a machine-readable format for security advisories.
- LoTL
- Living off the land: abuse of legitimate tools or system functions during an attack.