SUSE Security Update: Security update for squid
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Announcement ID:    SUSE-SU-2022:2359-1
Rating:             important
References:         #1200907 
Cross-References:   CVE-2021-46784
CVSS scores:
                    CVE-2021-46784 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15-SP4
                    SUSE Linux Enterprise Module for Server Applications 15-SP4
                    SUSE Linux Enterprise Server 15-SP4
                    SUSE Linux Enterprise Server for SAP Applications 15-SP4
                    SUSE Manager Proxy 4.3
                    SUSE Manager Retail Branch Server 4.3
                    SUSE Manager Server 4.3
                    openSUSE Leap 15.4
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   An update that fixes one vulnerability is now available.

Description:

   This update for squid fixes the following issues:

   - CVE-2021-46784: Fixed DoS when processing gopher server responses.
     (bsc#1200907)

   - Update to 5.6:
       - Improve handling of Gopher responses

   - Changes in 5.5:
       - fixes regression Bug 5192: esi_parser default is incorrect
       - Bug 5177: clientca certificates sent to https_port clients
       - Bug 5090: Must(!request->pinnedConnection()) violation
       - Kid restart leads to persistent queue overflows, delays/timeouts


Patch Instructions:

   To install this SUSE 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 15.4:

      zypper in -t patch openSUSE-SLE-15.4-2022-2359=1

   - SUSE Linux Enterprise Module for Server Applications 15-SP4:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2022-2359=1



Package List:

   - openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64):

      squid-5.6-150400.3.3.1
      squid-debuginfo-5.6-150400.3.3.1
      squid-debugsource-5.6-150400.3.3.1

   - SUSE Linux Enterprise Module for Server Applications 15-SP4 (aarch64 ppc64le s390x x86_64):

      squid-5.6-150400.3.3.1
      squid-debuginfo-5.6-150400.3.3.1
      squid-debugsource-5.6-150400.3.3.1


References:

   https://www.suse.com/security/cve/CVE-2021-46784.html
   https://bugzilla.suse.com/1200907