VDB
RHSA-2021%3A5048
RHSA-2021%3A5048
PUBLISHED
CVSS 9.800000190734863 CRITICAL
An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 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.8.4) | ||
| thunderbird |
Timeline
- Dec 9, 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-2021:5048 advisory
- https://access.redhat.com/security/updates/classification/#important url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030105 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030106 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030109 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030110 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030111 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030112 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030113 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030114 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030115 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030116 url
- https://bugzilla.redhat.com/show_bug.cgi?id=2030137 url
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_5048.json advisory