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CVE-2019-20393

CVE-2019-20393

EPSS 2.8%
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
n/a · n/a

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1793930https://github.com/CESNET/libyang/commit/d9feacc4a590d35dbc1af21caf9080008b4450edhttps://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1https://github.com/CESNET/libyang/issues/742https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html