SUSE-SU-2021:0772-1: important: Security update for stunnel

sle-security-updates at sle-security-updates at
Fri Mar 12 14:17:02 UTC 2021

   SUSE Security Update: Security update for stunnel

Announcement ID:    SUSE-SU-2021:0772-1
Rating:             important
References:         #1177580 #1182529 
Cross-References:   CVE-2021-20230
CVSS scores:
                    CVE-2021-20230 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-20230 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP2

   An update that solves one vulnerability and has one errata
   is now available.


   This update for stunnel fixes the following issues:

   - Security fix: [bsc#1177580, bsc#1182529, CVE-2021-20230]
     * "redirect" option does not properly handle "verifyChain = yes"

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 Module for Server Applications 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-772=1

Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 ppc64le s390x x86_64):



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