CVE-2026-44673 - libyang: lyb_read_string() integer overflow → heap buffer overflow

CVE-2026-44673 - libyang: lyb_read_string() integer overflow → heap buffer overflow

https://cvefeed.io/rssfeed/latest.atom / Fri, 05/15/2026 - 02:23
CVE ID :CVE-2026-44673
Published : May 14, 2026, 9:16 p.m. | 2 hours, 7 minutes ago
Description :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.
Severity: 7.5 | HIGH
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