Use After Free Affecting libarchive package, versions <3.5.2-1ubuntu1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.43% (75th percentile)

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  • Snyk IDSNYK-UBUNTU2204-LIBARCHIVE-2784033
  • published24 Jul 2021
  • disclosed20 Jul 2021

Introduced: 20 Jul 2021

CVE-2021-36976  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 libarchive to version 3.5.2-1ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

libarchive 3.4.1 through 3.5.1 has a use-after-free in copy_string (called from do_uncompress_block and process_block).

CVSS Scores

version 3.1