NULL Pointer Dereference Affecting libsolv package, versions <0.6.36-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.26% (66th percentile)

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  • Snyk IDSNYK-DEBIAN11-LIBSOLV-520012
  • published28 Dec 2018
  • disclosed28 Dec 2018

Introduced: 28 Dec 2018

CVE-2018-20532  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:11 libsolv to version 0.6.36-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsolv package and not the libsolv package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

There is a NULL pointer dereference at ext/testcase.c (function testcase_read) in libsolvext.a in libsolv through 0.7.2 that will cause a denial of service.