Evidence used
- No CISA KEV confirmation is currently recorded.
- A structured source references public exploit or proof-of-concept material.
- EPSS is 0.56% for the current model date.
BlackTreeCVE IntelligenceFull vulnerability report · 2026
CVE-2026-93311High confidence
Freedesktop Poppler SampledFunction Function.cc integer overflow
Freedesktop · Poppler
5.3MediumCVSS 4.0
Within 7 days
Fix not verifiedMedium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.
R
Open reassessment dashboard →Operational reassessment
Published severity in operational context
Published severityMedium→Operational priority:High, raised one band.upgradedsince 22 Sep 2026
Compensating controls
- 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 Freedesktop Poppler and falls inside the recorded affected range.
- Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
- Validate exposure, authentication requirements and compensating controls in the actual environment.
- Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Distribution package intelligence
5 package statesRelease-specific package status
Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.
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 |
|---|---|---|---|---|
| Debian trixietrixie · source | poppler | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 9 Oct 2026 |
| Debian bookwormbookworm · source | poppler | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 9 Oct 2026 |
| Debian forkyforky · source | poppler | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 9 Oct 2026 |
| Debian sidsid · source | poppler | Affected, no fix publishedDebian currently tracks this release as open. | Not published in this feed | Debian Security Tracker ↗Source updated 9 Oct 2026 |
| Ubuntu 24.04 LTSnoble · standard archive | poppler | 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 8 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-2026-93311 · CSAF 2.0 · revision 2 · interimSUSE Product Security TeamCVE-2026-93311
The vendor explicitly identifies these products as affected by this CVE.
- libpoppler-cpp0 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-devel as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-glib-devel as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-glib8 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler135 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler89 as component of SUSE Linux Enterprise Desktop 15 SP7
- poppler as component of SUSE Linux Enterprise Desktop 15 SP7
- poppler-tools as component of SUSE Linux Enterprise Desktop 15 SP7
- typelib-1_0-Poppler-0_18 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-devel as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler-glib-devel as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler-glib8 as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- Summary
- A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
- Remediation
- No remediation text is recorded.
CVE-2026-93311 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitypoppler: Freedesktop Poppler: Denial of service via integer overflow in SampledFunction
The vendor explicitly identifies these products as affected by this CVE.
- poppler.src as a component of Red Hat Hardened Images
- Summary
- A flaw was found in Freedesktop Poppler. A remote attacker could exploit an integer overflow vulnerability by manipulating the `BitsPerSample` argument within the `SampledFunction::SampledFunction` function. This manipulation could lead to an integer overflow, potentially causing a denial of service (DoS) condition in the affected component.
- Remediation
- To mitigate this Moderate impact denial of service vulnerability in Poppler, users should avoid opening or processing untrusted PDF documents. For applications that integrate Poppler for PDF rendering, consider running them within a sandboxed environment to restrict potential exploit impact. No specific configuration changes are available to prevent this flaw without impacting functionality.
Medium technical severity with public exploit material referenced by a structured source; prioritise exposed affected systems while verifying vendor guidance.
Fix not verified01
What, why and how
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
What
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Why
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
How
An attacker operating through a network path may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
What
A vulnerability was detected in Freedesktop Poppler 26.07.0. This issue affects the function SampledFunction::SampledFunction of the file poppler/Function.cc of the component SampledFunction. The manipulation of the argument BitsPerSample results in integer overflow. The attack may be performed from remote. The exploit is now public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Why
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
How
An attacker operating through a network path may attempt exploitation when the stated preconditions are met. 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 → Integer Overflow or Wraparound → cause the confidentiality, integrity or availability impact described by the vendor
- Attack surface
- Network
- Privileges required
- None: unauthenticated exploitation is possible
- User interaction
- Passive interaction required
- Attack complexity
- Low: no specialised conditions are recorded
- Security boundary
- Not a CVSS 4.0 base metric
- Weakness
?
CWE means Common Weakness Enumeration: a standard category for the underlying weakness. - CWE-190 ↗
CWE-190: Integer Overflow or Wraparound. The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
- CVSS vector
?
CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity. CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PCommon Vulnerability Scoring System 4.0: 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.ATNoneAttack requirements: No additional deployment or execution condition is required.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIPassiveUser interaction: A user must unknowingly interact with the vulnerable system.VCNoneVulnerable-system confidentiality: No direct loss is represented by this metric.VINoneVulnerable-system integrity: No direct loss is represented by this metric.VALowVulnerable-system availability: A successful attack can cause a limited loss.SCNoneSubsequent-system confidentiality: No direct loss is represented by this metric.SINoneSubsequent-system integrity: No direct loss is represented by this metric.SANoneSubsequent-system availability: No direct loss is represented by this metric.- 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 not verified
- Affected
- libpoppler-cpp0 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-devel as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-glib-devel as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-glib8 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler135 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler89 as component of SUSE Linux Enterprise Desktop 15 SP7
- poppler as component of SUSE Linux Enterprise Desktop 15 SP7
- poppler-tools as component of SUSE Linux Enterprise Desktop 15 SP7
- typelib-1_0-Poppler-0_18 as component of SUSE Linux Enterprise Desktop 15 SP7
- libpoppler-devel as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler-glib-devel as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler-glib8 as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler60 as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- poppler as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- poppler-tools as component of SUSE Linux Enterprise High Performance Computing 12 SP5
- libpoppler-cpp0 as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- libpoppler-devel as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- libpoppler-glib-devel as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- libpoppler-glib8 as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- libpoppler73 as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- poppler as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- poppler-tools as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- typelib-1_0-Poppler-0_18 as component of SUSE Linux Enterprise High Performance Computing 15 SP1
- libpoppler-cpp0 as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- libpoppler-devel as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- libpoppler-glib-devel as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- libpoppler-glib8 as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- libpoppler89 as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- poppler as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- poppler-tools as component of SUSE Linux Enterprise High Performance Computing 15 SP2
- and 283 more
- Fixed
- No fixed version is explicitly recorded in the structured CVE data.
- Action
- No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
- 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 18 Sept 2026 · Last source change 22 Sept 2026, 15:44 UTC · CWE-190 · Integer Overflow or Wraparound
CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source FIRST · tracked since 2026-09-18
?
The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.European sourceENISA EUVD · EUVD-2026-82612
Product sourceVendor CSAF · SUSE Product Security Team
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceCNA
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
- Public exploit evidencePublic exploit evidence changed from No public exploit to Public exploit reference.CVE.org ↗
- Before
- No public exploit
- After
- Public exploit reference
- ENISA EUVD mappingEUVD-2026-82612 was added to the official ENISA EUVD mapping for this CVE.ENISA EUVD ↗
- Before
- not recorded
- After
- {"euvdId":"EUVD-2026-82612"}
- Catalogue recordCVE added to the BlackTree catalogue.CNA ↗
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.