CVE-2026-90783

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...

DEBIAN-CVE-2026-90783

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...

PT-2026-90858

Name of the Vulnerable Software and Affected Versions MKVToolNix versions prior to 101.0-2.1 Description A heap buffer overflow exists in the bundled avilib library's ODML superindex parser. This occurs due to integer wraparound in 32-bit arithmetic, where a malicious AVI file containing oversize...

Linux Distros Unpatched Vulnerability : CVE-2026-90783

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...