Evidence used
- No CISA KEV confirmation is currently recorded.
- The selected CVSS metric records a network-reachable, unauthenticated path with no user interaction.
- EPSS is 0.56% for the current model date.
BlackTreeCVE IntelligenceFull vulnerability report · 2025
CVE-2025-61724High confidence
Excessive CPU consumption in Reader.ReadResponse in net/textproto
Go standard library · net/textproto
5.3MediumCVSS 3.1
Patch only the product branches with a verified fix
Fix availability varies by productMedium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority. Verified remediation exists for at least one product or source, but 2 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:Medium, unchanged from published severity.unchanged
Compensating controls
- Validate the affected product branch and deploy the verified fixed release.
- Restrict the affected network interface to trusted sources where business-safe.
- Monitor vendor guidance and exploitation sources for a material change.
Verification
- Confirm that the asset runs Go standard library net/textproto 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 2 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.
- Debian Security Tracker: 2 affected package states with no published fix
Distribution package intelligence
9 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 2 affected package states 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 · community | go | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 1.25.2-r0 | Alpine Security Database ↗Source updated 11 Sep 2026 |
| Alpine v3.22v3.22 · community | go | Vendor fix publishedAlpine records a security fix at this version. An absent entry does not mean the package is unaffected. | 1.24.8-r0 | Alpine Security Database ↗Source updated 11 Sep 2026 |
| Debian trixietrixie · source | golang-1.24 | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 5 Oct 2026 |
| Debian bookwormbookworm · source | golang-1.19 | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 5 Oct 2026 |
| Debian forkyforky · source | golang-1.25 | Vendor fix publishedDebian records a fixed source-package version for this release. | 1.25.2-1 | Debian Security Tracker ↗Source updated 5 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | golang-1.21 | Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing. | Not published in this feed | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | golang-1.22 | Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing. | Not published in this feed | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | golang-1.23 | Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing. | Not published in this feed | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | golang-1.24 | Under evaluationCanonical reports that the package might be affected and still needs evaluation or fixing. | Not published in this feed | Canonical Ubuntu Security ↗Source updated 5 Oct 2026 |
Direct vendor intelligence
1 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-2025-61724 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitynet/textproto: Excessive CPU consumption in Reader.ReadResponse in net/textproto
The vendor explicitly identifies these products as affected by this CVE.
- rhai/assisted-installer-agent-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- rhai/assisted-installer-controller-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- rhai/assisted-installer-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- openshift-builds/openshift-builds-controller-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-git-cloner-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-image-bundler-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-image-processing-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-operator-bundle as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-rhel9-operator as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-shared-resource-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-shared-resource-webhook-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-waiters-rhel9 as a component of Builds for Red Hat OpenShift
- Summary
- The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.
- Remediation
- For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/
Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority. Verified remediation exists for at least one product or source, but 2 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
The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.
What
The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.
Why
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
What
The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.
Why
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
How
An attacker operating through a network path may attempt exploitation without authentication or user interaction. 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 None recorded
?
Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.
- Likely attack path
- a network path → Inefficient Algorithmic Complexity → cause the confidentiality, integrity or availability impact described by the vendor
- Attack surface
- Network
- Privileges required
- None: unauthenticated exploitation is possible
- User interaction
- None
- 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-407 ↗
CWE-407: Inefficient Algorithmic Complexity. An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
- 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:N/UI:N/S:U/C:N/I:N/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.PRNonePrivileges required: The attacker does not need an account or existing privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.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
- rhai/assisted-installer-agent-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- rhai/assisted-installer-controller-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- rhai/assisted-installer-rhel9 as a component of Assisted Installer for Red Hat OpenShift Container Platform 2
- openshift-builds/openshift-builds-controller-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-git-cloner-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-image-bundler-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-image-processing-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-operator-bundle as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-rhel9-operator as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-shared-resource-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-shared-resource-webhook-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-waiters-rhel9 as a component of Builds for Red Hat OpenShift
- openshift-builds/openshift-builds-webhook-rhel9 as a component of Builds for Red Hat OpenShift
- cert-manager/cert-manager-istio-csr-rhel9 as a component of cert-manager Operator for Red Hat OpenShift
- cert-manager/jetstack-cert-manager-acmesolver-rhel9 as a component of cert-manager Operator for Red Hat OpenShift
- cert-manager/jetstack-cert-manager-rhel9 as a component of cert-manager Operator for Red Hat OpenShift
- confidential-compute-attestation-tech-preview/trustee-rhel9-operator as a component of Confidential Compute Attestation
- cryostat/cryostat-grafana-dashboard-rhel9 as a component of Cryostat 4
- cryostat/cryostat-ose-oauth-proxy-rhel9 as a component of Cryostat 4
- cryostat/cryostat-rhel9-operator as a component of Cryostat 4
- cryostat/cryostat-storage-rhel9 as a component of Cryostat 4
- custom-metrics-autoscaler/custom-metrics-autoscaler-adapter-rhel9 as a component of Custom Metric Autoscaler operator for Red Hat Openshift
- custom-metrics-autoscaler/custom-metrics-autoscaler-admission-webhooks-rhel9 as a component of Custom Metric Autoscaler operator for Red Hat Openshift
- custom-metrics-autoscaler/custom-metrics-autoscaler-rhel9 as a component of Custom Metric Autoscaler operator for Red Hat Openshift
- custom-metrics-autoscaler/custom-metrics-autoscaler-rhel9-operator as a component of Custom Metric Autoscaler operator for Red Hat Openshift
- dvo/deployment-validation-rhel8-operator as a component of Deployment Validation Operator
- external-secrets-operator/external-secrets-rhel9 as a component of external secrets operator for Red Hat OpenShift - Tech Preview
- workload-availability/fence-agents-remediation-operator-bundle as a component of Fence Agents Remediation Operator
- workload-availability/fence-agents-remediation-rhel8-operator as a component of Fence Agents Remediation Operator
- compliance/openshift-compliance-operator-bundle as a component of File Integrity Operator
- and 1253 more
- Fixed
- golang1-25-main@aarch64 as a component of Red Hat Hardened Images
- golang1-25-main@noarch as a component of Red Hat Hardened Images
- golang1-25-main@src as a component of Red Hat Hardened Images
- golang1-25-main@x86_64 as a component of Red Hat Hardened Images
- golang1-26-main@aarch64 as a component of Red Hat Hardened Images
- golang1-26-main@noarch as a component of Red Hat Hardened Images
- golang1-26-main@src as a component of Red Hat Hardened Images
- golang1-26-main@x86_64 as a component of Red Hat Hardened Images
- 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.
Official vendor articles1 stored document
Linked articles are downloaded and versioned as source evidence. A CVE mention or approved update relationship does not, by itself, verify a fix for every product branch.
- [security] Go 1.25.2 and Go 1.24.8 are released →Original publisher ↗Searchable text snapshot · Captured 29 Sep 2026Groups Groups Conversations All groups and messages Send feedback to Google Help Training Sign in Groups Groups Conversations About [security] Go 1.25.2 and Go 1.24.8 are released 9,761 views Skip to first unread message anno...@golang.org unread, Oct 7, 2025, 8:51:33 PM 10/7/25 Reply to aut
04
Evidence and provenance
Published 29 Oct 2025 · Last source change 4 Nov 2025, 21:14 UTC · CWE-407 · Inefficient Algorithmic Complexity
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-2025-36730
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
NVD statusNVD enriched
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
- < 1.24.8; 1.25.0 < 1.25.2 · Fixed: An authoritative update reference is available, but the fixed version is not recorded in the structured CVE fields. Check the linked vendor advisory for the applicable release.
- After
- < 1.24.8; 1.25.0 < 1.25.2 · Fixed: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/
CVE published
Fixed release or patch reference recorded
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.