{"action":"Upgrade python to 3.9.23 (3.9.x), 3.10.18 (3.10.x), 3.11.13 (3.11.x), 3.12.11 (3.12.x) or 3.13.4 (3.13.x) or later.","affected":[{"fixed":"3.9.23","introduced":"0"},{"fixed":"3.10.18","introduced":"3.10.0"},{"fixed":"3.11.13","introduced":"3.11.0"},{"fixed":"3.12.11","introduced":"3.12.0"},{"fixed":"3.13.4","introduced":"3.13.0"}],"component":"python","cve_ids":["CVE-2025-4516"],"ecosystem":"python","exploited":false,"fixed_versions":["3.9.23","3.10.18","3.11.13","3.12.11","3.13.4"],"id":"tcs_01M5JV7GHWFAR3363N1KVBM6YC","modified_at":"2025-06-03T20:53:33Z","published_at":"2025-05-15T13:29:20Z","references":["https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2025-4.json","https://mail.python.org/archives/list/security-announce@python.org/thread/L75IPBBTSCYEF56I2M4KIW353BB3AY74/","https://www.cve.org/CVERecord?id=CVE-2025-4516"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"python-runtime","source_id":"PSF-2025-4","url":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2025-4.json"}],"summary":"Use-after-free in \"unicode_escape\" decoder with error handler"}