CVE-2026-102620: Freedesktop Poppler FoFiTrueType.cc cvtSfnts integer overflow

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-29 · updated 2026-10-02
Weakness: CWE-189

Description

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.

Affected products

poppler: 26.06.0, 26.07.0, 26.08.0

References

https://github.com/r1ck9-2q/cve_summit/blob/main/Signed-integer-overflow-in-FoFiTrueType-cvtSfnts-FoFiTrueType.cc-1210.md
https://gitlab.freedesktop.org/poppler/poppler/-/commit/245d3c6823377755f2c1d5fdddd010279c6ed94d
https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2326
https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1762
https://vuldb.com/cve/CVE-2026-102620
https://vuldb.com/submit/942348
https://vuldb.com/vuln/411410
https://vuldb.com/vuln/411410/cti

Get alerted when CVE-2026-102620 or the next vulnerability affects your stack