UBUNTU-CVE-2023-26917

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Source
https://ubuntu.com/security/CVE-2023-26917
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-26917.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2023-26917
Upstream
Downstream
Related
Published
2023-04-11T12:15:00Z
Modified
2025-09-17T17:10:05Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lyspstmtvalidatevalue at lysparse_mem.c.

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 

{
    "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"
        }
    ],
    "availability": "No subscription required"
}