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Arch Linux Security Advisory ASA-202012-9
========================================
Severity: Low
Date    : 2020-12-05
CVE-ID  : CVE-2020-25219
Package : libproxy-webkit
Type    : denial of service
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1226

Summary
======
The package libproxy-webkit before version 0.4.16-1 is vulnerable to
denial of service.

Resolution
=========
Upgrade to 0.4.16-1.

# pacman -Syu "libproxy-webkit>=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/a83dae404feac517695c23ff43ce1e116e2bfbe0
https://security.archlinux.org/CVE-2020-25219

ArchLinux: 202012-9: libproxy-webkit: denial of service

December 9, 2020

Summary

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.

Resolution

Upgrade to 0.4.16-1. # pacman -Syu "libproxy-webkit>=0.4.16-1"
The problem has been fixed upstream in version 0.4.16.

References

https://github.com/libproxy/libproxy/issues/134 https://github.com/libproxy/libproxy/pull/136 https://github.com/libproxy/libproxy/commit/a83dae404feac517695c23ff43ce1e116e2bfbe0 https://security.archlinux.org/CVE-2020-25219

Severity
Package : libproxy-webkit
Type : denial of service
Remote : Yes
Link : https://security.archlinux.org/AVG-1226

Workaround

None.

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