Out-of-bounds Read Affecting lldpd-devel package, versions <0:1.0.18-4.el9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.14% (63rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Out-of-bounds Read vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL9-LLDPDDEVEL-8380232
  • published14 Nov 2024
  • disclosed18 Nov 2021

Introduced: 18 Nov 2021

CVE-2021-43612  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:9 lldpd-devel to version 0:1.0.18-4.el9 or higher.
This issue was patched in RHSA-2024:9158.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lldpd-devel package and not the lldpd-devel package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via short SONMP packets.

CVSS Base Scores

version 3.1