{"id":"EM-20261030-9SV0","url":"https://cyber.eventmonitor.net/incident/EM-20261030-9SV0/","type":"cve","title":"libass Vulnerability (CVE-2026-61627)","subtitle":"CVE-2026-61627","subject":"CVE-2026-61627","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-10-30T15:16:52.650Z","firstSignal":"2026-10-30T14:55:45.000Z","lastSignal":"2026-10-30T15:16:52.650Z","updated":"2026-11-04T14:43:58.877Z","revision":1,"life":[{"status":"Born","at":"2026-10-30T15:16:52.650Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-10-30T15:16:52.650Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-10-30T14:55:45.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-10-30T15:16:52.650Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261030-9SV0 created."}],"stages":[{"name":"Disclosed","at":"2026-10-30T15:16:52.650Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-10-30T15:16:52.650Z","detail":"CVSS 7.3 · EPSS 0.2%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-10-30T14:55:45.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-10-30T14:55:45.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-61627 (important)","text":"libass: libass: Arbitrary code execution via crafted subtitle files","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-61627.json"},{"at":"2026-10-30T15:16:52.650Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-61627 (CVSS 7.3)","text":"libass is a portable subtitle renderer for the `ASS`/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format. Prior to 0.17.5, libass can overread and overwrite the glyph array in `wrap_lines_measure` while rendering malicious `ASS` content. In `wrap modes other than two`, a final line ending with a literal backslash-n sequence and otherwise consisting only of such sequences or spaces can remain after early trimming and make the line-measurement loops overshoot by one glyph. When the total text size exactly matches the allocated glyph-array capacity, the first loop reads an uninitiali","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61627"}],"crowd":[],"reference":{"nvd":{"published":"2026-10-30T15:16:52.650","score":7.3,"severity":"HIGH","desc":"libass is a portable subtitle renderer for the `ASS`/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format. Prior to 0.17.5, libass can overread and overwrite the glyph array in `wrap_lines_measure` while rendering malicious `ASS` content. In `wrap modes other than two`, a final line endi","product":"","seen":1793803438877},"kev":null,"epss":{"epss":0.00155,"pct":0.04673,"at":1793803438877},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}