ANT-2026-9WB9SMM6 · libass · heap-buffer-overflow

heap-buffer-overflow high GHSA-pjjp-65r7-ppgm Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-9WB9SMM6: Heap-buffer-overflow in...

libass: Denial of service

Background libass is a portable subtitle renderer for the ASS/SSA Advanced Substation Alpha/Substation Alpha subtitle format. Description A one-byte buffer overwrite in ASS font decoding could trigger an assertion failure resulting in denial of service. Impact An attacker with control over the AS...

USN-4797-1: LibASS vulnerabilities

It was discovered that LibASS incorrectly handled certain ASS files. A remote attacker could possibly use this issue to cause a denial of service. One of the issues, CVE-2016-7970, only affected Ubuntu 16.04 ESM. CVE-2016-7969, CVE-2016-7970, CVE-2016-7972 It was discovered that LibASS incorrectl...

libass: User-assisted execution of arbitrary code

Background libass is a portable subtitle renderer for the ASS/SSA Advanced Substation Alpha/Substation Alpha subtitle format. Description It was discovered that libass did not properly handle Advanced Substation Alpha/Substation Alpha subtitle format files. Impact A remote attacker could entice a...