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CVE-2019-20394

CVE-2019-20394

EPSS 2.8%
A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. 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=1793932https://github.com/CESNET/libyang/commit/6cc51b1757dfbb7cff92de074ada65e8523289a6https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3https://github.com/CESNET/libyang/issues/769https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html