VulnerabilityModified
CVE-2023-26916
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.
MEDIUM 5.3EPSS 0.99%
Does this matter?
Lower severity and a low EPSS score (0.99%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.99% probability · 61th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- cesnet/libyang · fedoraproject/fedora
- Source
- cve@mitre.org
EPSS 1.0% since 8 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/CESNET/libyang/issues/1979Issue Tracking, Third Party Advisory
- 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/1979Issue Tracking, Third Party Advisory
- 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/
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.