{"action":"Upgrade thunderbird to 1:115.2.0-1 or later.","affected":[{"fixed":"1:115.2.0-1","introduced":"0"}],"component":"thunderbird","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:115.2.0-1"],"id":"tcs_01M5NJB6RWRMB52DD9EJDPGHXE","modified_at":"2026-10-23T18:04:28.111558285Z","published_at":"2023-09-11T09:15:09.347Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4578","https://security-tracker.debian.org/tracker/CVE-2023-4578"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4578#Debian:13/thunderbird","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4578"}],"summary":"When calling `JS::CheckRegExpSyntax` a Syntax Error could have been set which would end in calling `convertToRuntimeErrorAndClear`. A path in the function could attempt to allocate memory when none is"}