Use After Free Affecting libxslt-devel package, versions <1.1.32-3.8.24


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
4.36% (91st percentile)

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  • Snyk IDSNYK-SLES151-LIBXSLTDEVEL-2711596
  • published14 Apr 2022
  • disclosed25 May 2020

Introduced: 25 May 2020

CVE-2019-18197  (opens in a new tab)
CWE-416  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 libxslt-devel to version 1.1.32-3.8.24 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxslt-devel package and not the libxslt-devel package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

CVSS Base Scores

version 3.1