Vulnerability in Freedesktop Poppler

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund29 Sep 2026WID-SEC-2026-3674

  poppler: Multiple vulnerabilities allow an unspecified attack Translated from German

  Risk lowCVE-2026-102621CVE-2026-102620

[ References ]References

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