Use After Free Affecting lrzip package, versions <0.640-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-ALPINE319-LRZIP-6110104
  • published8 Dec 2023
  • disclosed10 Jun 2021

Introduced: 10 Jun 2021

CVE-2021-27347  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 lrzip to version 0.640-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lrzip package and not the lrzip package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.

CVSS Scores

version 3.1