{"action":"Upgrade python to 3.10.21 (3.10.x), 3.11.16 (3.11.x), 3.12.14 (3.12.x) or 3.13.14 (3.13.x) or later.","affected":[{"fixed":"3.10.21","introduced":"0"},{"fixed":"3.11.16","introduced":"3.11.0"},{"fixed":"3.12.14","introduced":"3.12.0"},{"fixed":"3.13.14","introduced":"3.13.0"}],"component":"python","cve_ids":["CVE-2026-6100"],"ecosystem":"python","exploited":false,"fixed_versions":["3.10.21","3.11.16","3.12.14","3.13.14"],"id":"tcs_01M5JTNZMEST9Y9KCZW76SBDQZ","modified_at":"2026-08-05T00:36:35Z","published_at":"2026-04-13T17:15:47Z","references":["https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-18.json","https://mail.python.org/archives/list/security-announce@python.org/thread/HTWB2Z6KT5QQX4RYEZAFININDHNOSIF3/","https://www.cve.org/CVERecord?id=CVE-2026-6100"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"python-runtime","source_id":"PSF-2026-18","url":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-18.json"}],"summary":"Use-after-free in lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile after re-use under memory pressure"}