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Ubuntu Security Notice USN-5627-1

Ubuntu Security Notice 5627-1 - 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.

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#vulnerability#ubuntu#apache#perl#nginx

==========================================================================
Ubuntu Security Notice USN-5627-1
September 22, 2022

pcre2 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 22.04 LTS
  • Ubuntu 20.04 LTS

Summary:

PCRE could be made to expose sensitive information.

Software Description:

  • 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.

Update instructions:

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

Ubuntu 22.04 LTS:
libpcre2-16-0 10.39-3ubuntu0.1
libpcre2-32-0 10.39-3ubuntu0.1
libpcre2-8-0 10.39-3ubuntu0.1
libpcre2-posix3 10.39-3ubuntu0.1
pcre2-utils 10.39-3ubuntu0.1

Ubuntu 20.04 LTS:
libpcre2-16-0 10.34-7ubuntu0.1
libpcre2-32-0 10.34-7ubuntu0.1
libpcre2-8-0 10.34-7ubuntu0.1
libpcre2-posix2 10.34-7ubuntu0.1
pcre2-utils 10.34-7ubuntu0.1

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.

References:
https://ubuntu.com/security/notices/USN-5627-1
CVE-2022-1586, CVE-2022-1587

Package Information:
https://launchpad.net/ubuntu/+source/pcre2/10.39-3ubuntu0.1
https://launchpad.net/ubuntu/+source/pcre2/10.34-7ubuntu0.1

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