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CVE-2019-20398

CVE-2019-20398

EPSS 1.8%
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.
Productos afectados
n/a · n/a

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Referencias
https://bugzilla.redhat.com/show_bug.cgi?id=1793935https://github.com/CESNET/libyang/commit/7852b272ef77f8098c35deea6c6f09cb78176f08https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3https://github.com/CESNET/libyang/issues/773https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html