RHSA-2026%3A3491 | Vulnetix

RHSA-2026%3A3491 PUBLISHED CVSS 7.5 HIGH

An update for firefox 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

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 EUS EXTENSION (v.8.4)
	Red Hat Enterprise Linux AppStream AUS (v.8.4)
	firefox

Timeline

Mar 2, 2026 CVE Published
Apr 1, 2026 Distribution Patch
Apr 17, 2026 Distribution Patch
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
Apr 29, 2026 Security Advisory

References

…and 21 more

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