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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