RHSA-2021:2881HighCVSS 8.8

Red Hat Security Advisory: thunderbird security update

Published
July 26, 2021
Last Modified
June 25, 2026

🔗 CVE IDs covered (4)

CVE-2021-29969 →CVE-2021-29970 →CVE-2021-29976 →CVE-2021-30547 →

📋 Description

CVE-2021-29969 — Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed CVE-2021-29970 — Mozilla: Use-after-free in accessibility features of a document CVE-2021-29976 — Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 CVE-2021-30547 — chromium-browser: Out of bounds write in ANGLE

🔗 References (7)