Use After Free Affecting libslirp package, versions [,4.3.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBSLIRP-2371758
  • published26 Jan 2022
  • disclosed22 Apr 2020
  • creditUnknown

Introduced: 22 Apr 2020

CVE-2020-1983  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade libslirp to version 4.3.0 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free. A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

CVSS Scores

version 3.1