VDB
RHSA-2021%3A3839
RHSA-2021%3A3839
PUBLISHED
CVSS 9.800000190734863 CRITICAL
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat Enterprise Linux AppStream EUS (v. 8.2) | ||
| thunderbird |
Timeline
- Oct 13, 2021 CVE Published
- Nov 21, 2025 CVE Updated
- Apr 3, 2026 Distribution Patch
- Apr 3, 2026 Distribution Patch
- Apr 3, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2021:3839 advisory
- https://access.redhat.com/security/updates/classification/#important url
- https://bugzilla.redhat.com/show_bug.cgi?id=1990342 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2011097 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2011098 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2011099 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2011100 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2011101 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2013469 url
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_3839.json advisory