Headline
Ubuntu Security Notice USN-5665-1
Ubuntu Security Notice 5665-1 - 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. 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.
=========================================================================Ubuntu Security Notice USN-5665-1October 10, 2022pcre3 vulnerabilities=========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 16.04 ESMSummary:PCRE could be made to crash if it received specially craftedinput.Software Description:- pcre3: Perl 5 Compatible Regular Expression LibraryDetails:It was discovered that PCRE incorrectly handled certain regular expressions.A remote attacker could use this issue to cause applications using PCRE tocrash, resulting in a denial of service. (CVE-2017-6004)It was discovered that PCRE incorrectly handled certain Unicode encoding. Aremote attacker could use this issue to cause applications using PCRE tocrash, resulting in a denial of service. (CVE-2017-7186)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 16.04 ESM: libpcre3 2:8.38-3.1ubuntu0.1~esm2In general, a standard system update will make all the necessary changes.References: https://ubuntu.com/security/notices/USN-5665-1 CVE-2017-6004, CVE-2017-7186