High [CVE-2026-44673] Denial of Service or arbitrary code execution via maliciously crafted LYB binary blob
This high-severity Red Hat Linux advisory covers CVE-2026-44673 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.
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.
Summary
Denial of Service or arbitrary code execution via maliciously crafted LYB binary blob. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-190. Affected package(s): libyang.
Resolved in Red Hat advisory RHSA-2026:24758 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 2 more.
- libyang-0:2.1.148-1.el9_8.1
- libyang-0:1.0.184-2.el8_10
- libyang-0:2.1.148-4.el10_2
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:24758
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:24758 (`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.