Bug 2538609 (CVE-2026-93311)

Summary: CVE-2026-93311 poppler: Freedesktop Poppler: Denial of service via integer overflow in SampledFunction
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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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.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-09-22 19:47:35 UTC
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.