{"schema":"threatline.record/2","record":{"id":"CVE-2026-116740","aliases":[],"summary":"libcss through 0.9.2 NULL Pointer Dereference via Media-Query Parser","details":"libcss through 0.9.2 contains a NULL pointer dereference vulnerability in mq_parse_media_query() that allows remote attackers to crash consumers by supplying media lists ending in a comma. Attackers can serve a stylesheet whose @media or @import media list has a trailing comma, causing NetSurf or other parsers to crash.","categories":["Unclassified"],"product":"libcss","vendor":"netsurf-browser","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116740","source_modified_at":"2026-10-26T21:52:39.177Z","fetched_at":"2026-10-26T23:45:56.352924Z","product":"libcss","vendor":"netsurf-browser","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"0.9.2"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T21:52:39.177Z","modified_at":"2026-10-26T21:52:39.177Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116740","fetched_at":"2026-10-26T23:45:56.352924Z","source_modified_at":"2026-10-26T21:52:39.177Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/netsurf-browser/libcss/commit/006ffc4096040da13690abc380e5f828ec08284d","tags":["patch"]},{"source":"CVE List","url":"https://github.com/netsurf-browser/libcss","tags":["product"]},{"source":"CVE List","url":"https://github.com/netsurf-browser/libcss/blob/release/0.9.2/src/parse/mq.c#L984","tags":["technical-description"]},{"source":"CVE List","url":"https://hackmd.io/@haindpwn/libcss-media-list-null-deref","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libcss-through-0.9.2-null-pointer-dereference-via-media-query-parser","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T21:52:39.177Z","content_hash":"9de36f97176f8277fe359bb21f4b0c85ea6f5804bc9db00a81a68b3ef49593ee"}}