VDB

RHSA-2026%3A0987

RHSA-2026%3A0987 PUBLISHED CVSS 7.5 HIGH

An update for osbuild-composer 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 Moderate. 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:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

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

Timeline

  • Jan 22, 2026 CVE Published
  • Apr 6, 2026 CVE Updated
  • Apr 6, 2026 Distribution Patch
  • Apr 6, 2026 Distribution Patch
  • Apr 6, 2026 Security Advisory
  • Apr 25, 2026 Security Advisory
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