CVE-2023-26917
highpriority · track · 30EPSS 0.009 · 59 %ileEUUSEPSS · scored 2026-10-28
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2023-26917cnnvd
- https://cxsecurity.com/cveshow/CVE-2023-26917/cnnvd
- https://github.com/CESNET/libyang/commit/cfa1a965a429e4bfc5ae1539a8e87a9cf71c3090Patchcnnvd
- https://github.com/CESNET/libyang/issues/1987cnnvd
- https://vigilance.fr/vulnerability/libyang-NULL-pointer-dereference-via-lysp-stmt-validate-value-48242cnnvd
- https://github.com/CESNET/libyang/issues/1987enisa_euvd
- https://github.com/CESNET/libyang/issues/1987ExploitIssue Trackingnvd
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