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openSUSE Openssl-3 Critical Buffer Heap Overflow Issues 2026-0310-1

opensuse
Calendar Grey January 28, 2026
Scroller Opensuse
SUSE announces critical update for openssl-3 fixing multiple key security issues for openSUSE users. Stay protected!
An update that solves eight vulnerabilities can now be installed.

Description

This update for openssl-3 fixes the following issues:

* CVE-2025-15467: Stack buffer overflow in CMS AuthEnvelopedData parsing

(bsc#1256830).

* CVE-2025-68160: Heap out-of-bounds write in BIO_f_linebuffer on short writes

(bsc#1256834).

* CVE-2025-69418: Unauthenticated/unencrypted trailing bytes with low-level

OCB function calls (bsc#1256835).

* CVE-2025-69419: Out of bounds write in PKCS12_get_friendlyname() UTF-8

conversion (bsc#1256836).

* CVE-2025-69420: Missing ASN1_TYPE validation in TS_RESP_verify_response()

function (bsc#1256837).

* CVE-2025-69421: NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex

function (bsc#1256838).

* CVE-2026-22795: Missing ASN1_TYPE validation in PKCS#12 parsing

(bsc#1256839).

* CVE-2026-22796: ASN1_TYPE Type Confusion in the

PKCS7_digest_from_attributes() function (bsc#1256840).

Topics%20covered

Topics Covered

security advisory buffer overflow critical heap overflow OpenSUSE openssl-3

Patch

## 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:

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-310=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-310=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-310=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-310=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-310=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-310=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-310=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-310=1

* SUSE Linux Enterprise Server for SAP...

Read the Full Advisory

Package List

* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)

* libopenssl3-debuginfo-3.0.8-150400.4.78.1

* openssl-3-debuginfo-3.0.8-150400.4.78.1

* openssl-3-3.0.8-150400.4.78.1

* openssl-3-debugsource-3.0.8-150400.4.78.1

* libopenssl-3-devel-3.0.8-150400.4.78.1

* libopenssl3-3.0.8-150400.4.78.1

* openSUSE Leap 15.4 (x86_64)

* libopenssl3-32bit-debuginfo-3.0.8-150400.4.78.1

* libopenssl-3-devel-32bit-3.0.8-150400.4.78.1

* libopenssl3-32bit-3.0.8-150400.4.78.1

* openSUSE Leap 15.4 (noarch)

* openssl-3-doc-3.0.8-150400.4.78.1

* openSUSE Leap 15.4 (aarch64_ilp32)

* libopenssl3-64bit-3.0.8-150400.4.78.1

* libopenssl-3-devel-64bit-3.0.8-150400.4.78.1

* libopenssl3-64bit-debuginfo-3.0.8-150400.4.78.1

* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)

* libopenssl3-debuginfo-3.0.8-150400.4.78.1

* openssl-3-debugsource-3.0.8-150400.4.78.1

* libopenssl3-3.0.8-150400.4.78.1

* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)

* libopenssl3-debuginfo-3.0.8-150400.4.78.1

*...

Read the Full Advisory

References

* bsc#1256830

* bsc#1256834

* bsc#1256835

* bsc#1256836

* bsc#1256837

* bsc#1256838

* bsc#1256839

* bsc#1256840

## References:

* https://www.suse.com/security/cve/CVE-2025-15467.html

* https://www.suse.com/security/cve/CVE-2025-68160.html

* https://www.suse.com/security/cve/CVE-2025-69418.html

* https://www.suse.com/security/cve/CVE-2025-69419.html

* https://www.suse.com/security/cve/CVE-2025-69420.html

* https://www.suse.com/security/cve/CVE-2025-69421.html

* https://www.suse.com/security/cve/CVE-2026-22795.html

* https://www.suse.com/security/cve/CVE-2026-22796.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256830

* https://bugzilla.suse.com/show_bug.cgi?id=1256834

* https://bugzilla.suse.com/show_bug.cgi?id=1256835

* https://bugzilla.suse.com/show_bug.cgi?id=1256836

* https://bugzilla.suse.com/show_bug.cgi?id=1256837

* https://bugzilla.suse.com/show_bug.cgi?id=1256838

* https://bugzilla.suse.com/show_bug.cgi?id=1256839

* https://bugzilla.suse.com/show_bug.cgi?id=1256840

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0310-1
Release Date: 2026-01-28T09:37:31Z
Affected Products: * openSUSE Leap 15.4 * 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 Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory buffer overflow critical heap overflow OpenSUSE openssl-3

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