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Affected Component
Analysis
libyang
Patched
Name
CVE-2026-44673
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.
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
7.5
CVSSv31
NaN
other
Others affected components#
Resolved with patches#
libyang (yocto:scarthgap)
#
Title
Author
Resolve
1
parser lyb BUGFIX integer overflow and OOM (#2513)
dominik blain <dominik@qreativelab.io>
CVE-2026-44673