Debian/libyang: high 7.5
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 malicious
Action: Upgrade libyang to 6.4.13-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.4.13-1 | - |
Fixed versions
| 6.4.13-1 |
Sources
- osv: DEBIAN-CVE-2026-44673#Debian:14/libyang
- https://security-tracker.debian.org/tracker/CVE-2026-44673
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