USN-5665-1: PCRE vulnerabilities
10 October 2022
PCRE could be made to crash if it received specially crafted input.
Releases
Packages
- pcre3 - Perl 5 Compatible Regular Expression Library
Details
It was discovered that PCRE incorrectly handled certain regular expressions.
A remote attacker could use this issue to cause applications using PCRE to
crash, resulting in a denial of service. (CVE-2017-6004)
It was discovered that PCRE incorrectly handled certain Unicode encoding. A
remote attacker could use this issue to cause applications using PCRE to
crash, resulting in a denial of service. (CVE-2017-7186)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
-
libpcre3
-
2:8.38-3.1ubuntu0.1~esm2
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.