Source: mkvtoolnix Version: 101.0-1 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for mkvtoolnix. CVE-2026-90783[0]: | MKVToolNix through 101.0 contains a heap buffer overflow in the | bundled avilib library's ODML superindex parser due to integer | wraparound in 32-bit arithmetic. Attackers can craft a malicious AVI | file with oversized entry counts that cause an undersized heap | allocation, allowing a heap buffer overflow when the file is parsed | with mkvmerge. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-90783 https://www.cve.org/CVERecord?id=CVE-2026-90783 [1] https://codeberg.org/mbunkus/mkvtoolnix/commit/1495126138e086080f0163bee27fafbdf956a1d0 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
