Skip to content
VulniPulse
Sign in
High7.5Red Hat Linux

High [CVE-2026-21413] Arbitrary code execution via heap-based buffer overflow in lossless JPEG loading

This high-severity Red Hat Linux advisory covers CVE-2026-21413 affecting Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support.

CVE-2026-21413 Published Apr 7, 2026
CVE-2026-21413
Affected products & platforms
Red Hat LinuxUnclassified
Open vendor advisory

Android app · Google Play

Monitor future Red Hat Linux CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery
Get CVE alertsSee app features

Summary

Arbitrary code execution via heap-based buffer overflow in lossless JPEG loading. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-787. Affected package(s): LibRaw.

Resolved in Red Hat advisory RHSA-2026:11360 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Telecommunications Update Service; and 8 more.

Affected versions
  • LibRaw-0:0.19.5-2.el8_4.1
  • LibRaw-0:0.21.1-2.el9_7
  • LibRaw-0:0.19.5-3.el8_8.1
  • LibRaw-0:0.21.1-2.el9_8
  • LibRaw-0:0.21.1-2.el9_4
  • LibRaw-0:0.19.5-6.el8_10
  • LibRaw-0:0.19.5-3.el8_6.1
  • LibRaw-0:0.21.1-2.el9_6
  • LibRaw-0:0.20.2-6.el9_0
  • LibRaw-0:0.20.2-6.el9_2

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:11360

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:11360 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.