RHSA-2026%3A3979 — Vulnetix

RHSA-2026%3A3979 PUBLISHED CVSS 7.5 HIGH

An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. 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

7.5

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
	Red Hat Enterprise Linux AppStream AUS (v.8.6)
	thunderbird
	Red Hat Enterprise Linux AppStream E4S (v.8.6)
	Red Hat Enterprise Linux AppStream TUS (v.8.6)

Timeline

Mar 9, 2026 CVE Published
Apr 1, 2026 Distribution Patch
Apr 1, 2026 Distribution Patch
Apr 1, 2026 Security Advisory
Apr 29, 2026 CVE Updated
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory
Apr 29, 2026 Security Advisory

References

…and 21 more

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