CVE-2026-116740 | BDVDB-2026-396127 Detail
netsurf-browserlibcss
Description#
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.
Weaknesses#
- CWE-476 NULL Pointer Dereference
References#
- https://github.com/netsurf-browser/libcss/commit/006ffc4096040da13690abc380e5f828ec08284d
- https://github.com/netsurf-browser/libcss
- https://github.com/netsurf-browser/libcss/blob/release/0.9.2/src/parse/mq.c#L984
- https://hackmd.io/@haindpwn/libcss-media-list-null-deref
- https://www.vulncheck.com/advisories/libcss-through-0.9.2-null-pointer-dereference-via-media-query-parser
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.