Arch Linux Security Advisory ASA-201903-4 ========================================= Severity: Low Date : 2019-03-03 CVE-ID : CVE-2017-11164 Package : pcre Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-351 Summary ======= The package pcre before version 8.43-1 is vulnerable to denial of service. Resolution ========== Upgrade to 8.43-1. # pacman -Syu "pcre>=8.43-1" The problem has been fixed upstream in version 8.43. Workaround ========== None. Description =========== In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression. Impact ====== A remote attacker can crash the process with a crafted regular expression. References ========== http://seclists.org/oss-sec/2017/q3/111 https://bugzilla.redhat.com/show_bug.cgi?id=1470107 https://security.archlinux.org/CVE-2017-11164