What’s Vulnerable › Vulnerabilities

CVE-2023-26916

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-03 · updated 2026-06-17
• Weakness: CWE-476

Description

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

Affected products

• CESNET libyang: from 2.0.164 through 2.1.30
• Fedoraproject Fedora: 36, 37

References

• https://github.com/CESNET/libyang/issues/1979
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6NQZHCJG3SBMFOQNIPRZGKDK3ARHLTTB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2VWGCMYKQH4BTFEHX5VYEXXOPIKKFHS/
• https://github.com/CESNET/libyang/issues/1979
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6NQZHCJG3SBMFOQNIPRZGKDK3ARHLTTB/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2VWGCMYKQH4BTFEHX5VYEXXOPIKKFHS/

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