========================================================================== Ubuntu Security Notice USN-8485-1 June 30, 2026
libyang vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 Summary: libyang could be made to crash or run programs if it received specially crafted network traffic. Software Description: - libyang: parser toolkit for IETF YANG data modeling Details: It was discovered that libyang incorrectly handled certain metadata list pointers. An attacker could use this issue to cause libyang to crash, resulting in a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS libyang3 3.13.6-1ubuntu0.1 Ubuntu 25.10 libyang3 3.13.5-2ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8485-1 CVE-2026-41401 Package Information: https://launchpad.net/ubuntu/+source/libyang/3.13.6-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libyang/3.13.5-2ubuntu0.1
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