CVE-2022-2122: Debian Linux

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

DOS / potential heap overwrite in qtdemux using zlib decompression. Integer overflow in qtdemux element in qtdemux_inflate function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Gstreamer Gstreamer: before 1.20.3 (fixed in 1.20.3)

Published 2022-07-19. Last modified 2026-06-17.