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suseSuseOPENSUSE-SU-2021:1646-1
HistoryDec 31, 2021 - 12:00 a.m.

Security update for privoxy (important)

2021-12-3100:00:00
lists.opensuse.org
16
privoxy
vulnerabilities
update
xss
memory
fast-redirects
opensuse
patch
suse
bug fixes

EPSS

0.001

Percentile

46.2%

An update that fixes four vulnerabilities is now available.

Description:

This update for privoxy fixes the following issues:

privoxy was updated to 3.0.33 (boo#1193584):

  • CVE-2021-44543: Encode the template name to prevent XSS (cross-side
    scripting) when Privoxy is configured to servce the user-manual itself
  • CVE-2021-44540: Free memory of compiled pattern spec before bailing
  • CVE-2021-44541: Free header memory when failing to get the request
    destination.
  • CVE-2021-44542: Prevent memory leaks when handling errors
  • Disable fast-redirects for a number of domains
  • Update default block lists
  • Many bug fixes and minor enhancements

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.2:

    zypper in -t patch openSUSE-2021-1646=1

  • openSUSE Backports SLE-15-SP3:

    zypper in -t patch openSUSE-2021-1646=1