USN-5665-1: PCRE vulnerabilities

10 October 2022

PCRE could be made to crash if it received specially crafted input.

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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)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 16.04

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

References

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Further reading