CVE-2023-26917 — NULL Pointer Dereference in Libyang

CWE-476 — NULL Pointer Dereference7 documents7 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 46.57%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Cesnet LibyangDebian LibyangDebian Libyang2+3 more
Timeline
PublishedApr 11
Latest updateSep 16

Description

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages7 packages

▶debiandebian/libyang< libyang 3.4.2+dfsg-2 (forky)
▶debiandebian/libyang2< libyang 3.4.2+dfsg-2 (forky)
▶Debiancesnet/libyang< 3.4.2+dfsg-2+1
▶NVDcesnet/libyang2.0.164 — 2.1.30

🔴Vulnerability Details

2
GHSA
GHSA-8fpx-68qp-g9qc: libyang from v2↗2023-04-11
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OSV
CVE-2023-26917: libyang from v2↗2023-04-11
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📋Vendor Advisories

4
Ubuntu
libyang vulnerabilities↗2025-09-16
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Microsoft
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.↗2023-04-11
▶
Red Hat
libyang: NULL pointer dereference via lysp_stmt_validate_value at lys_parse_mem.c↗2023-04-11
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Debian
CVE-2023-26917: libyang - libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer derefe...↗2023
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