Source: libtheora Version: 1.2.0+dfsg-6 Severity: important Tags: security upstream Forwarded: https://github.com/xiph/theora/issues/24 X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libtheora. CVE-2026-5673[0]: | A flaw was found in libtheora. This heap-based out-of-bounds read | vulnerability exists within the AVI (Audio Video Interleave) parser, | specifically in the avi_parse_input_file() function. A local | attacker could exploit this by tricking a user into opening a | specially crafted AVI file containing a truncated header sub-chunk. | This could lead to a denial-of-service (application crash) or | potentially leak sensitive information from the heap. 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-2026-5673 https://www.cve.org/CVERecord?id=CVE-2026-5673 [1] https://github.com/xiph/theora/issues/24 Please adjust the affected versions in the BTS as needed. Regards, Salvatore

