1. Ubuntu Security Notices
  2. USN-5627-1

USN-5627-1: PCRE vulnerabilities

Publication date

22 September 2022

Overview

PCRE could be made to expose sensitive information.

Releases

Packages

  • pcre2 - Perl 5 Compatible Regular Expression Library

Details

It was discovered that PCRE incorrectly handled memory when
handling certain regular expressions. An attacker could possibly
use this issue to cause applications using PCRE to expose
sensitive information.

It was discovered that PCRE incorrectly handled memory when
handling certain regular expressions. An attacker could possibly
use this issue to cause applications using PCRE to expose
sensitive information.

Update instructions

After a standard system update you need to restart applications using PCRE, such as the Apache HTTP server and Nginx, to 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
22.04 jammy libpcre2-16-0 –  10.39-3ubuntu0.1
libpcre2-32-0 –  10.39-3ubuntu0.1
libpcre2-posix3 –  10.39-3ubuntu0.1
pcre2-utils –  10.39-3ubuntu0.1
libpcre2-8-0 –  10.39-3ubuntu0.1
20.04 focal libpcre2-16-0 –  10.34-7ubuntu0.1
libpcre2-32-0 –  10.34-7ubuntu0.1
libpcre2-posix2 –  10.34-7ubuntu0.1
pcre2-utils –  10.34-7ubuntu0.1
libpcre2-8-0 –  10.34-7ubuntu0.1

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References

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