CVE-2023-26916 : libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer derefe

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.

Published 2023-04-03 22:15:07

Updated 2025-02-18 17:15:16

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2023-26916

Fedoraproject » Fedora » Version: 36
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions
Cesnet » Libyang
Versions from including (>=) 2.0.164 and up to, including, (<=) 2.1.30
cpe:2.3:a:cesnet:libyang:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 18 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-02-18
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6NQZHCJG3SBMFOQNIPRZGKDK3ARHLTTB/

[SECURITY] Fedora 36 Update: libyang-2.1.55-1.fc36 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6NQZHCJG3SBMFOQNIPRZGKDK3ARHLTTB/

[SECURITY] Fedora 36 Update: libyang-2.1.55-1.fc36 - package-announce - Fedora mailing-lists
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U2VWGCMYKQH4BTFEHX5VYEXXOPIKKFHS/

[SECURITY] Fedora 37 Update: libyang-2.1.55-1.fc37 - package-announce - Fedora Mailing-Lists
Mailing List;Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2VWGCMYKQH4BTFEHX5VYEXXOPIKKFHS/

[SECURITY] Fedora 37 Update: libyang-2.1.55-1.fc37 - package-announce - Fedora mailing-lists
https://github.com/CESNET/libyang/issues/1979

`lys_implement`: NULL pointer dereference via `lys_parse_mem` · Issue #1979 · CESNET/libyang · GitHub
Issue Tracking;Third Party Advisory

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