Description
A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1 ↗
- https://github.com/CESNET/libyang/issues/742 ↗
- https://github.com/CESNET/libyang/commit/d9feacc4a590d35dbc1af21caf9080008b4450ed ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1793930 ↗
- https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html ↗