Bug 2543645 (CVE-2026-102620)

Summary: CVE-2026-102620 poppler: poppler: Data corruption via integer overflow in FoFiTrueType::cvtSfnts
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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 Poppler. An integer overflow vulnerability in the TrueType font handling code can allow a local user to cause data corruption. By providing a specially crafted font file processed by the FoFiTrueType::cvtSfnts function, an attacker can cause improper data modification and unexpected application behavior.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2544506, 2544507    
Bug Blocks:    

Description OSIDB Bzimport 2026-09-29 20:42:38 UTC
A vulnerability was determined in Freedesktop Poppler 26.06.0/26.07.0/26.08.0. This impacts the function FoFiTrueType::cvtSfnts of the file fofi/FoFiTrueType.cc. This manipulation causes integer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 245d3c6823377755f2c1d5fdddd010279c6ed94d. It is suggested to install a patch to address this issue.