{"action":"Upgrade github.com/klauspost/compress to 1.18.7 or later.","affected":[{"fixed":"1.18.7","introduced":"1.16.0"}],"component":"github.com/klauspost/compress","cve_ids":["CVE-2026-63209"],"ecosystem":"Go","epss":0.00572,"exploited":false,"fixed_versions":["1.18.7"],"ghsa_id":"GHSA-259r-337f-4rfw","id":"tcs_01M5KGQ73CCCGH9AHA0PAD17Q5","modified_at":"2026-09-30T03:55:34.839663968Z","published_at":"2026-07-27T16:16:22Z","references":["https://osv.dev/vulnerability/GO-2026-5841","https://github.com/klauspost/compress/security/advisories/GHSA-259r-337f-4rfw","https://github.com/klauspost/compress/commit/8668e357e776d5152ed62f33c17f21b8690664fa"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GO-2026-5841","url":"https://osv.dev/vulnerability/GO-2026-5841"},{"source":"nvd","source_id":"CVE-2026-63209","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63209"}],"summary":"OOB read in github.com/klauspost/compress/s2"}