RHSA-2026%3A8850 | Vulnetix

RHSA-2026%3A8850 PUBLISHED CVSS 5.400000095367432 MEDIUM

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. 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

5.400000095367432

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

Affected Products

Vendor	Product	Versions
	Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)
	thunderbird
	Red Hat Enterprise Linux AppStream AUS (v.8.4)

Timeline

Apr 20, 2026 CVE Published
Apr 28, 2026 CVE Updated
Apr 28, 2026 Distribution Patch
Apr 28, 2026 Distribution Patch
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory
Apr 28, 2026 Security Advisory

References

…and 22 more

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