CVE-2019-20391

Summary

CVECVE-2019-20391
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-01-22 22:15:00 UTC
Updated2023-09-19 22:15:00 UTC
DescriptionAn invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.

Risk And Classification

Problem Types: CWE-119

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cesnet Libyang 0.11 r1 All All
Application Cesnet Libyang 0.11 r2 All All
Application Cesnet Libyang 0.12 r1 All All
Application Cesnet Libyang 0.12 r2 All All
Application Cesnet Libyang 0.13 r1 All All
Application Cesnet Libyang 0.13 r2 All All
Application Cesnet Libyang 0.14 r1 All All
Application Cesnet Libyang 0.15 r1 All All
Application Cesnet Libyang 0.16 r1 All All
Application Cesnet Libyang 0.16 r2 All All
Application Cesnet Libyang 0.16 r3 All All
Application Cesnet Libyang 1.0 r1 All All
Application Cesnet Libyang 1.0 r2 All All
Application Cesnet Libyang 0.11 r1 All All
Application Cesnet Libyang 0.11 r2 All All
Application Cesnet Libyang 0.12 r1 All All
Application Cesnet Libyang 0.12 r2 All All
Application Cesnet Libyang 0.13 r1 All All
Application Cesnet Libyang 0.13 r2 All All
Application Cesnet Libyang 0.14 r1 All All
Application Cesnet Libyang 0.15 r1 All All
Application Cesnet Libyang 0.16 r1 All All
Application Cesnet Libyang 0.16 r2 All All
Application Cesnet Libyang 0.16 r3 All All
Application Cesnet Libyang 1.0 r1 All All
Application Cesnet Libyang 1.0 r2 All All

References

ReferenceSourceLinkTags
resolve BUGFIX handle yet unresolved if-features · CESNET/libyang@bdb596d · GitHub MISC github.com Patch, Third Party Advisory
Segmentation fault in yangfuzz and yanglint · Issue #772 · CESNET/libyang · GitHub MISC github.com Exploit, Third Party Advisory
[SECURITY] [DLA 3572-1] libyang security update MLIST lists.debian.org
1793934 – (CVE-2019-20391) CVE-2019-20391 libyang: invalid memory access in resolve_feature_value() when a if-feature is used inside a bit 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

Legacy QID Mappings

  • 6000044 Debian Security Update for libyang (DLA 3572-1)
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