VDB
RHSA-2021%3A4133
RHSA-2021%3A4133
PUBLISHED
CVSS 10 CRITICAL
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 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
10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| thunderbird | ||
| Red Hat Enterprise Linux AppStream EUS (v. 8.1) |
Timeline
- Nov 4, 2021 CVE Published
- Nov 21, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch
- Apr 30, 2026 Distribution Patch
- 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
- May 1, 2026 Security Advisory
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2019621 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019627 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019628 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019630 url
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_4133.json advisory
- https://access.redhat.com/errata/RHSA-2021:4133 fix
- https://bugzilla.redhat.com/show_bug.cgi?id=2019624 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019625 url
- https://access.redhat.com/security/updates/classification/#important url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019622 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2019626 url