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Fedora 32 FEDORA-2020-941b563a80 Critical: libproxy PAC Buffer Overflow

fedora
Calendar Grey October 5, 2020
Dist Fedora Esm H88
Mitigating the PAC buffer overflow in libproxy for Fedora 32 is vital for system security and stability. Prompt action prevents potential exploitation risks.
Fix PAC buffer overflow

Summary

libproxy offers the following features:

* extremely small core footprint (< 35K)

* no external dependencies within libproxy core

(libproxy plugins may have dependencies)

* only 3 functions in the stable external API

* dynamic adjustment to changing network topology

* a standard way of dealing with proxy settings across all scenarios

* a sublime sense of joy and accomplishment

Fix PAC buffer overflow

* Tue Sep 29 2020 David King - 0.4.15-19

- Fix PAC buffer overflow (#1883584)

[ 1 ] Bug #1869639 - CVE-2020-26154 libproxy: sending more than 102400 bytes in PAC without a Content-Length present could result in buffer overflow

https://bugzilla.redhat.com/show_bug.cgi?id=1869639

su -c 'dnf upgrade --advisory FEDORA-2020-941b563a80' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
High
Critical

Product: Fedora 32
Version: 0.4.15
Release: 19.fc32
Summary: A library handling all the details of proxy configuration

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