{"action":"Upgrade riot-web to 1.9.7-r0 or later.","affected":[{"fixed":"1.9.7-r0","introduced":"0"}],"component":"riot-web","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["1.9.7-r0"],"id":"tcs_01M6GWDWZZMN45HPXWWW31GE28","modified_at":"2026-11-03T06:32:41.661452504Z","published_at":"2021-12-14T14:15:09.410Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-44538","https://security.alpinelinux.org/vuln/CVE-2021-44538"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-44538#Alpine:v3.16/riot-web","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-44538"}],"summary":"The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state"}