{"id":"CLSA-2026-1780952647","summary":"thunderbird: Fix of 8 CVEs","details":"- CVE-2026-6746: HTMLSlotElement - fix manual slot reassignment across different shadow roots (Bug 2014596)\n- CVE-2026-6749: ImageEncoder use mapped stride and surface size to avoid OOB read (Bug 2022610)\n- CVE-2026-6752: libwebrtc - truncate RTP CSRC list to RFC 3550 spec maximum (15)\n- CVE-2026-6785: prevent use-after-free in nsUnknownDecoder::CheckListenerChain (Bug 2036929)\n- CVE-2026-8388: SpiderMonkey JIT - widen RecoverOffset to uint64_t to prevent overflow in Ion snapshot encoding (Bug 2036978)","modified":"2026-10-26T09:30:18.488674333Z","published":"2026-06-09T08:38:05Z","upstream":["CVE-2026-6746","CVE-2026-6749","CVE-2026-6752","CVE-2026-6785","CVE-2026-8388"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1780952647.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6746"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6749"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6750"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6752"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6754"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6769"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6785"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8388"}],"affected":[{"package":{"name":"thunderbird","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/thunderbird?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"115.4.1-1.el9_2.alma.tuxcare.els9"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1780952647.json"}}],"schema_version":"1.9.0"}