HIGHVulnerability

CVE-2026-44673

libyang is a YANG data modeling language library. Prior to SO 5.2.15, lyb_read_string() in src/parser_lyb.c contains an integer overflow that results in a heap buffer overflow when parsing a maliciously crafted LYB binary blob. An attacker who can supply LYB data to any libyang consumer (NETCONF server, sysrepo, etc.) can trigger a crash or potential heap corruption. This vulnerability is fixed in SO 5.2.15.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-44673
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
published_at
2026-05-14T21:16:47.500
last_modified
2026-08-07T12:17:56.963

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Integer Overflow or Wraparound

DESCRIBED_BY (1)

[Source]NVD

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