1. Ubuntu Security Notices
  2. USN-6517-1

USN-6517-1: Perl vulnerabilities

Publication date

27 November 2023

Overview

Several security issues were fixed in Perl.

Releases

Packages

  • perl - Practical Extraction and Report Language

Details

It was discovered that Perl incorrectly handled printing certain warning
messages. An attacker could possibly use this issue to cause Perl to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 22.04 LTS. (CVE-2022-48522)

Nathan Mills discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-47038)

It was discovered that Perl incorrectly handled printing certain warning
messages. An attacker could possibly use this issue to cause Perl to
consume resources, leading to a denial of service. This issue only affected
Ubuntu 22.04 LTS. (CVE-2022-48522)

Nathan Mills discovered that Perl incorrectly handled certain regular
expressions. An attacker could use this issue to cause Perl to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2023-47038)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
23.10 mantic perl –  5.36.0-9ubuntu1.1
23.04 lunar perl –  5.36.0-7ubuntu0.23.04.2
22.04 jammy perl –  5.34.0-3ubuntu1.3
20.04 focal perl –  5.30.0-9ubuntu0.5

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References

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