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Ubuntu Security Notice USN-4514-1
September 17, 2020
libproxy vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
libproxy could be made to crash if it received a specially crafted PAC file.
Software Description:
– libproxy: automatic proxy configuration management library
Details:
It was discovered that libproxy incorrectly handled certain PAC files.
An attacker could possibly use this issue to cause a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
libproxy1v5 0.4.15-10ubuntu1.1
Ubuntu 18.04 LTS:
libproxy1v5 0.4.15-1ubuntu0.1
Ubuntu 16.04 LTS:
libproxy1v5 0.4.11-5ubuntu1.1
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://usn.ubuntu.com/4514-1
CVE-2020-25219
Package Information:
https://launchpad.net/ubuntu/+source/libproxy/0.4.15-10ubuntu1.1
https://launchpad.net/ubuntu/+source/libproxy/0.4.15-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libproxy/0.4.11-5ubuntu1.1
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