Out-of-bounds Read Affecting libyang package, versions <0:1.0.184-1.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.33% (71st percentile)

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  • Snyk IDSNYK-RHEL8-LIBYANG-3396130
  • published26 Jul 2021
  • disclosed29 Mar 2019

Introduced: 29 Mar 2019

CVE-2019-20396  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:8 libyang to version 0:1.0.184-1.el8 or higher.
This issue was patched in RHEA-2021:1906.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libyang package and not the libyang package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.

CVSS Scores

version 3.1