NULL Pointer Dereference Affecting libssh-devel package, versions <0:0.10.4-11.el9


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.19% (58th 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 NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-ALMALINUX9-LIBSSHDEVEL-6061331
  • published15 Nov 2023
  • disclosed7 Nov 2023

Introduced: 7 Nov 2023

CVE-2023-1667  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 libssh-devel to version 0:0.10.4-11.el9 or higher.
This issue was patched in ALSA-2023:6643.

NVD Description

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

A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.

CVSS Scores

version 3.1