Security update for openssl-1_0_0

Announcement ID:	SUSE-SU-2026:2399-1
Release Date:	2026-06-15T15:05:53Z
Rating:	important
References:	bsc#1260442 bsc#1260443 bsc#1260446 bsc#1266340 bsc#1266341 bsc#1266342 bsc#1266349 bsc#1266357
Cross-References:	CVE-2026-28388 CVE-2026-28389 CVE-2026-34180 CVE-2026-42766 CVE-2026-45447 CVE-2026-7383 CVE-2026-9076
CVSS scores:	CVE-2026-28388 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-28388 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-28389 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-28389 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-28389 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-34180 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2026-34180 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-34180 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-42766 ( SUSE ): 6.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2026-42766 ( SUSE ): 5.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H CVE-2026-42766 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-45447 ( SUSE ): 7.7 CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-45447 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2026-45447 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2026-7383 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2026-7383 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-7383 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-9076 ( SUSE ): 6.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVE-2026-9076 ( SUSE ): 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-9076 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	Legacy Module 15-SP7 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server 15 SP6 LTSS SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves seven vulnerabilities and has one security fix can now be installed.

Description:

This update for openssl-1_0_0 fixes the following issues

• CVE-2026-7383: Possible Heap Buffer Overflow in ASN.1 Multibyte String Conversion (bsc#1266340).
• CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption (bsc#1266341).
• CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc#1260442).
• CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443).
• CVE-2026-34180: Heap Buffer Over-read in ASN.1 Content Parsing (bsc#1266342).
• CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption (bsc#1266349).
• CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266357).
• NULL pointer dereference when processing an OCSP response (bsc#1260446).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• Legacy Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-2399=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2399=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2399=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2399=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2399=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2399=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2399=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2399=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2399=1

Package List:

• Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libopenssl-1_0_0-devel-1.0.2p-150000.3.108.1
  • libopenssl10-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-hmac-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • libopenssl1_0_0-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-debugsource-1.0.2p-150000.3.108.1
  • libopenssl10-debuginfo-1.0.2p-150000.3.108.1
  • openssl-1_0_0-1.0.2p-150000.3.108.1

References:

• https://www.suse.com/security/cve/CVE-2026-28388.html
• https://www.suse.com/security/cve/CVE-2026-28389.html
• https://www.suse.com/security/cve/CVE-2026-34180.html
• https://www.suse.com/security/cve/CVE-2026-42766.html
• https://www.suse.com/security/cve/CVE-2026-45447.html
• https://www.suse.com/security/cve/CVE-2026-7383.html
• https://www.suse.com/security/cve/CVE-2026-9076.html
• https://bugzilla.suse.com/show_bug.cgi?id=1260442
• https://bugzilla.suse.com/show_bug.cgi?id=1260443
• https://bugzilla.suse.com/show_bug.cgi?id=1260446
• https://bugzilla.suse.com/show_bug.cgi?id=1266340
• https://bugzilla.suse.com/show_bug.cgi?id=1266341
• https://bugzilla.suse.com/show_bug.cgi?id=1266342
• https://bugzilla.suse.com/show_bug.cgi?id=1266349
• https://bugzilla.suse.com/show_bug.cgi?id=1266357