RHSA-2026:65477 — Security Advisory
Red Hat Security Advisory: libyang security, bug fix, and enhancement update
Severity
ImportantRed Hat Product Security
Products
Official CSAF product identity
Published · September 9, 2026
Updated · September 9, 2026
Topic
An update for libyang is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.
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.
Description
Libyang is YANG data modeling language parser and toolkit written (and providing API) in C.
Security Fix(es):
- libyang: libyang: Denial of Service or arbitrary code execution via maliciously crafted LYB binary blob (CVE-2026-44673)
Bug Fix(es) and Enhancement(s):
- Rebase libyang to version 2.1.148 to support FRR in FDP (JIRA:RHEL-224590)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.