Use After Free Affecting lrzip package, versions <0.640-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.72% (49th percentile)

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  • Snyk IDSNYK-DEBIAN11-LRZIP-1303170
  • published28 Jun 2021
  • 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 Debian:11 lrzip to version 0.640-1 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 Debian. See How to fix? for Debian:11 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 Base Scores

version 3.1