SUSE Security Update: Security update for libsndfile
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Announcement ID:    SUSE-SU-2022:14872-1
Rating:             important
References:         #1194006 
Cross-References:   CVE-2021-4156
CVSS scores:
                    CVE-2021-4156 (SUSE): 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Point of Sale 11-SP3
                    SUSE Linux Enterprise Debuginfo 11-SP4
                    SUSE Linux Enterprise Debuginfo 11-SP3
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   An update that fixes one vulnerability is now available.

Description:

   This update for libsndfile fixes the following issues:

   - CVE-2021-4156: Fixed heap buffer overflow in flac_buffer_copy that could
     potentially lead to heap exploitation (bsc#1194006).


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:

   - SUSE Linux Enterprise Server 11-SP4-LTSS:

      zypper in -t patch slessp4-libsndfile-14872=1

   - SUSE Linux Enterprise Point of Sale 11-SP3:

      zypper in -t patch sleposp3-libsndfile-14872=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-libsndfile-14872=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-libsndfile-14872=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      libsndfile-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (ppc64 s390x x86_64):

      libsndfile-32bit-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      libsndfile-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      libsndfile-debuginfo-1.0.20-2.19.18.1
      libsndfile-debugsource-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (ppc64 s390x x86_64):

      libsndfile-debuginfo-32bit-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

      libsndfile-debuginfo-1.0.20-2.19.18.1
      libsndfile-debugsource-1.0.20-2.19.18.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (s390x x86_64):

      libsndfile-debuginfo-32bit-1.0.20-2.19.18.1


References:

   https://www.suse.com/security/cve/CVE-2021-4156.html
   https://bugzilla.suse.com/1194006