{"action":"Upgrade ring to 20230206.0~ds1-1 or later.","affected":[{"fixed":"20230206.0~ds1-1","introduced":"0"}],"component":"ring","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["20230206.0~ds1-1"],"id":"tcs_01M5NG1SYS9SCHDBK8R2T7FMS7","modified_at":"2026-10-23T18:04:16.565427265Z","published_at":"2021-12-27T18:15:07.460Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-43845","https://security-tracker.debian.org/tracker/CVE-2021-43845"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-43845#Debian:12/ring","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-43845"}],"summary":"PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size"}