CVE-2026-93314: medium-severity vulnerability in Freedesktop Poppler
Freedesktop Poppler FoFiTrueType.cc mapCodeToGID integer overflow
Published · Updated
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.2%
A vulnerability was determined in Freedesktop Poppler 26.07.0. This affects the function FoFiTrueType::mapCodeToGID of the file fofi/FoFiTrueType.cc. Executing a manipulation of the argument segCnt can lead to integer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called ed2a5538cf0a8d3ff908191eda9b73f91a5f952a. It is advisable to implement a patch to correct this issue.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Freedesktop · Popplerpublic PoCs found — 1
cve_referencegithub.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-FoFiTrueType-mapCodeToGID-FoFiTrueType.cc-608.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Freedesktop Poppler
In the same product, most dangerous first.
CVE-2026-93311MEDIUMFreedesktop Poppler SampledFunction Function.cc integer overflowEPSS 0.6%CVE-2026-93312MEDIUMFreedesktop Poppler JBIG2Stream.cc rewind null pointer dereferenceEPSS 0.4%CVE-2026-93313MEDIUMFreedesktop Poppler JBIG2Stream.cc readCodeTableSeg integer overflowEPSS 0.2%CVE-2026-102620MEDIUMFreedesktop Poppler FoFiTrueType.cc cvtSfnts integer overflowEPSS 0.1%CVE-2026-102621MEDIUMFreedesktop Poppler SplashClip.cc clipToPath integer overflowEPSS 0.1%
References
https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-FoFiTrueType-mapCodeToGID-FoFiTrueType.cc-608.mdhttps://gitlab.freedesktop.org/poppler/poppler/-/commit/ed2a5538cf0a8d3ff908191eda9b73f91a5f952a?merge_request_iid=2315https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2315https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1761https://vuldb.com/cve/CVE-2026-93314https://vuldb.com/submit/942347https://vuldb.com/vuln/406613https://vuldb.com/vuln/406613/cti