{"action":"Upgrade pyjwt to 1.4.2-1.1 or later.","affected":[{"fixed":"1.4.2-1.1","introduced":"0"}],"component":"pyjwt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1.4.2-1.1"],"id":"tcs_01M5NBY1VSN0WN2BKNNK1YDFEE","modified_at":"2026-09-01T20:03:41.622542293Z","published_at":"2017-08-24T16:29:00.197Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2017-11424","https://security-tracker.debian.org/tracker/CVE-2017-11424"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2017-11424#Debian:13/pyjwt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2017-11424"}],"summary":"In PyJWT 1.5.0 and below the `invalid_strings` check in `HMACAlgorithm.prepare_key` does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed becaus"}