A privoxy security update has been released for openSUSE Leap 15.2 and SUSE Linux Enterprise 15 SP3.

openSUSE-SU-2021:1646-1: important: Security update for privoxy

openSUSE Security Update: Security update for privoxy
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Announcement ID: openSUSE-SU-2021:1646-1
Rating: important
References: #1193584
Cross-References: CVE-2021-44540 CVE-2021-44541 CVE-2021-44542
CVE-2021-44543
Affected Products:
openSUSE Leap 15.2
openSUSE Backports SLE-15-SP3
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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


Package List:

- openSUSE Leap 15.2 (x86_64):

privoxy-3.0.33-lp152.3.12.1
privoxy-debuginfo-3.0.33-lp152.3.12.1
privoxy-debugsource-3.0.33-lp152.3.12.1

- openSUSE Leap 15.2 (noarch):

privoxy-doc-3.0.33-lp152.3.12.1

- openSUSE Backports SLE-15-SP3 (aarch64 i586 ppc64le s390x x86_64):

privoxy-3.0.33-bp153.2.3.1

- openSUSE Backports SLE-15-SP3 (noarch):

privoxy-doc-3.0.33-bp153.2.3.1

References:

  https://www.suse.com/security/cve/CVE-2021-44540.html
  https://www.suse.com/security/cve/CVE-2021-44541.html
  https://www.suse.com/security/cve/CVE-2021-44542.html
  https://www.suse.com/security/cve/CVE-2021-44543.html
  https://bugzilla.suse.com/1193584