Arch Linux Security Advisory ASA-202012-11 ========================================== Severity: Low Date : 2020-12-05 CVE-ID : CVE-2020-25219 Package : libproxy-mozjs Type : denial of service Remote : Yes Link : https://security.archlinux.org/AVG-1226 Summary ======= The package libproxy-mozjs before version 0.4.16-1 is vulnerable to denial of service. Resolution ========== Upgrade to 0.4.16-1. # pacman -Syu "libproxy-mozjs>=0.4.16-1" The problem has been fixed upstream in version 0.4.16. Workaround ========== None. Description =========== url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP PAC server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion. Impact ====== A remote HTTP PAC server might be able to crash an application via a crafted response. References ========== https://github.com/libproxy/libproxy/issues/134 https://github.com/libproxy/libproxy/pull/136 https://github.com/libproxy/libproxy/commit/a83dae404feac517695c23ff43ce1e11... https://security.archlinux.org/CVE-2020-25219