RHSA-2021:3154HighCVSS 8.8

Red Hat Security Advisory: firefox security update

Published
August 16, 2021
Last Modified
June 25, 2026

🔗 CVE IDs covered (6)

CVE-2021-29986 →CVE-2021-29988 →CVE-2021-29989 →CVE-2021-29980 →CVE-2021-29984 →CVE-2021-29985 →

📋 Description

CVE-2021-29980 — Mozilla: Uninitialized memory in a canvas object could have led to memory corruption CVE-2021-29984 — Mozilla: Incorrect instruction reordering during JIT optimization CVE-2021-29985 — Mozilla: Use-after-free media channels CVE-2021-29986 — Mozilla: Race condition when resolving DNS names could have led to memory corruption CVE-2021-29988 — Mozilla: Memory corruption as a result of incorrect style treatment CVE-2021-29989 — Mozilla: Memory safety bugs fixed in Thunderbird 78.13

🔗 References (9)