ArchLinux: 201903-4: pcre: denial of service
Summary
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.
Resolution
Upgrade to 8.43-1.
# pacman -Syu "pcre>=8.43-1"
The problem has been fixed upstream in version 8.43.
References
https://seclists.org/oss-sec/2017/q3/111 https://bugzilla.redhat.com/show_bug.cgi?id=1470107 https://security.archlinux.org/CVE-2017-11164
Workaround
None.