CVE-2019-20397

Description

A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. 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.

References

https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html

https://github.com/CESNET/libyang/issues/739

https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1

https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4

https://bugzilla.redhat.com/show_bug.cgi?id=1793928

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3