CVE-2019-20398

Published: Jan 22, 2020

Modified: Aug 5, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3

https://github.com/CESNET/libyang/commit/7852b272ef77f8098c35deea6c6f09cb78176f08

https://github.com/CESNET/libyang/issues/773

https://bugzilla.redhat.com/show_bug.cgi?id=1793935

[debian-lts-announce] 20230919 [SECURITY] [DLA 3572-1] libyang security update

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CVE-2019-20398

Description

Affected Products

References