{"action":"Upgrade linux to 6.1.170-1 or later.","affected":[{"fixed":"6.1.170-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.170-1"],"id":"tcs_01M5NR3KJWRNKRVJ7Q6SA1TQWV","modified_at":"2026-10-23T18:05:35.965631525Z","published_at":"2026-04-03T16:16:32.123Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-23455","https://security-tracker.debian.org/tracker/CVE-2026-23455"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-23455","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-23455"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length"}