USN-7752-1

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"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2023-26916",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        },
        {
            "id": "CVE-2023-26917",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}