SUSE-SU-2022:1271-1: important: Security update for netty

sle-updates at sle-updates at
Wed Apr 20 10:27:04 UTC 2022

   SUSE Security Update: Security update for netty

Announcement ID:    SUSE-SU-2022:1271-1
Rating:             important
References:         #1182103 #1183262 #1190610 #1190613 #1193672 
Cross-References:   CVE-2021-21290 CVE-2021-21295 CVE-2021-37136
                    CVE-2021-37137 CVE-2021-43797
CVSS scores:
                    CVE-2021-21290 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-21290 (SUSE): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2021-21295 (NVD) : 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
                    CVE-2021-21295 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
                    CVE-2021-37136 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-37136 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-37137 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-37137 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-43797 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
                    CVE-2021-43797 (SUSE): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Products:
                    openSUSE Leap 15.3
                    openSUSE Leap 15.4

   An update that fixes 5 vulnerabilities is now available.


   This update for netty fixes the following issues:

   - Updated to version 4.1.75:
     - CVE-2021-37136: Fixed an unrestricted decompressed data size in
       Bzip2Decoder (bsc#1190610).
     - CVE-2021-37137: Fixed an unrestricted chunk length in
       SnappyFrameDecoder, which might lead to excessive memory usage
     - CVE-2021-43797: Fixed a potential HTTP request smuggling issue due to
       insufficient validation against control characters (bsc#1193672).
     - CVE-2021-21290: Fixed an information disclosure via the local system
       temporary directory (bsc#1182103).

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-15.4-2022-1271=1

   - openSUSE Leap 15.3:

      zypper in -t patch openSUSE-SLE-15.3-2022-1271=1

Package List:

   - openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64):


   - openSUSE Leap 15.4 (noarch):


   - openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):


   - openSUSE Leap 15.3 (noarch):



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