{"action":"Upgrade mbedtls to 3.6.6-0.1~deb13u1 or later.","affected":[{"fixed":"3.6.6-0.1~deb13u1","introduced":"0"}],"component":"mbedtls","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.6.6-0.1~deb13u1"],"id":"tcs_01M5NRSXB7MWJE8GGT3X41YNTY","modified_at":"2026-10-01T03:03:03.986068991Z","published_at":"2026-04-02T16:16:26.180Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-34876","https://security-tracker.debian.org/tracker/CVE-2026-34876"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-34876#Debian:13/mbedtls","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-34876"}],"summary":"An issue was discovered in Mbed TLS 3.x before 3.6.6. An out-of-bounds read vulnerability in mbedtls_ccm_finish() in library/ccm.c allows attackers to obtain adjacent CCM context data via invocation o"}