CVE-2019-20398
Summary
| CVE | CVE-2019-20398 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2020-01-22 22:15:00 UTC |
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| Updated | 2023-09-19 22:15:00 UTC |
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| 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. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| Segmentation fault in yanglint and yangfuzz due to unprintable characters · Issue #773 · CESNET/libyang · GitHub |
MISC |
github.com |
Exploit, Third Party Advisory |
| schema tree BUGFIX do not copy unresolved exts in groupings restrictions · CESNET/libyang@7852b27 · GitHub |
MISC |
github.com |
Patch |
| [SECURITY] [DLA 3572-1] libyang security update |
MLIST |
lists.debian.org |
|
| 1793935 – (CVE-2019-20398) CVE-2019-20398 libyang: NULL pointer dereference in function lys_extension_instances_free() |
MISC |
bugzilla.redhat.com |
Issue Tracking, Patch, Third Party Advisory |
| Comparing v1.0-r2...v1.0-r3 · CESNET/libyang · GitHub |
MISC |
github.com |
Third Party Advisory |
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 6000044 Debian Security Update for libyang (DLA 3572-1)
