USN-7752-1

Source
https://ubuntu.com/security/notices/USN-7752-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7752-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7752-1
Upstream
Related
Published
2025-09-16T13:41:30.353579Z
Modified
2025-09-17T22:16:24.326778Z
Summary
libyang2 vulnerabilities
Details

It was discovered that libyang incorrectly handled certain memory operations when parsing YANG strings. An attacker could possibly use this issue to cause libyang to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:24.04:LTS / libyang2

Package

Name
libyang2
Purl
pkg:deb/ubuntu/libyang2@2.1.30-2.1ubuntu0.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.30-2.1ubuntu0.1

Affected versions

2.*

2.1.30-2
2.1.30-2.1
2.1.30-2.1build1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libyang-tools",
            "binary_version": "2.1.30-2.1ubuntu0.1"
        },
        {
            "binary_name": "libyang2-dev",
            "binary_version": "2.1.30-2.1ubuntu0.1"
        },
        {
            "binary_name": "libyang2-tools",
            "binary_version": "2.1.30-2.1ubuntu0.1"
        },
        {
            "binary_name": "libyang2t64",
            "binary_version": "2.1.30-2.1ubuntu0.1"
        }
    ]
}