NULL pointer dereference in OpenSSL - CVE-2026-22795

Vulnerability identifier: #VU122085

CSH Severity: Medium

CVSS v4: 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-ID: CVE-2026-22795

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when parsing PKCS#12 file. A remote attacker can pass a specially crafted PKCS#12 file to the application and perform a denial of service (DoS) attack.

OpenSSL
SUSE Linux Enterprise Server 15 SP6
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
Debian Linux
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Micro
SUSE Linux Micro
IBM i
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
FreeBSD
Ubuntu
Basesystem Module
Legacy Module
Development Tools Module
openSUSE Leap
openEuler
Anolis OS
Fedora
SecurityCenter
Netezza Appliance
NativeEdge Orchestrator
IBM Cloud Pak System
Tenable Identity Exposure (formerly Tenable.ad)
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data
IBM Sterling Partner Engagement Manager
IBM MQ
AppDynamics NodeJS Agent
LANTIME Operating System Firmware (LTOS)
Splunk Universal Forwarder
IBM DataPower Gateway
IBM InfoSphere Information Server
openssl (Ubuntu package)
openssl-1_1-debuginfo
libopenssl1_1
openssl-1_1
libopenssl1_1-hmac
libopenssl-1_1-devel
openssl-1_1-debugsource
libopenssl1_1-debuginfo
libopenssl-1_1-devel-32bit
libopenssl1_1-32bit
libopenssl1_1-debuginfo-32bit
libopenssl1_1-hmac-32bit
openssl-debuginfo
openssl-debugsource
openssl-devel
openssl-libs
openssl-help
openssl
libopenssl1_1-hmac-64bit
libopenssl1_1-32bit-debuginfo
libopenssl1_1-64bit-debuginfo
libopenssl-1_1-devel-64bit
libopenssl1_1-64bit
openssl-1_1-doc
compat-openssl11-debuginfo
compat-openssl11-debugsource
compat-openssl11-devel
compat-openssl11-libs
compat-openssl11
openssl-perl
libopenssl3-64bit-debuginfo
libopenssl-3-devel-64bit
libopenssl3-64bit
openssl-3-doc
libopenssl3-32bit
libopenssl-3-devel-32bit
libopenssl3-32bit-debuginfo
libopenssl-3-devel
openssl-3-debugsource
openssl-3
openssl-3-debuginfo
libopenssl3-debuginfo
libopenssl3
openssl-doc
openssl (Debian package)
libopenssl-3-fips-provider-debuginfo
libopenssl-3-fips-provider
libopenssl-3-fips-provider-32bit
libopenssl-3-fips-provider-32bit-debuginfo
libopenssl-3-fips-provider-64bit-debuginfo
libopenssl-3-fips-provider-64bit
openssl (Red Hat package)
edk2-help
python3-edk2-devel
edk2-ovmf
edk2-aarch64
edk2-devel
edk2-debugsource
edk2
edk2-debuginfo

Install updates from vendor's website.

OpenSSL - addressed in versions 1.1.1ze, 3.0.19, 3.3.6, 3.4.4, 3.5.5, 3.6.1
SecurityCenter - addressed in versions SC202607.1, SC202607.2
Netezza Appliance - update to 1.0.1.0 fp278500
IBM Cloud Pak System - update to 2.3.5.1
Tenable Identity Exposure (formerly Tenable.ad) - update to 3.77.16
IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data - update to 5.3.1 Patch 5
IBM Sterling Partner Engagement Manager - addressed in versions 6.2.3.6, 6.2.4.4
LANTIME Operating System Firmware (LTOS) - update to 7.10.008
IBM MQ - addressed in versions 9.1.0.34, 9.2.0.41, 9.3.0.37, 9.4.0.20
Splunk Universal Forwarder - addressed in versions 10.0.4, 10.2.1
IBM DataPower Gateway - addressed in versions 10.5.0.21, 10.6.0.9, 11.0.0.0
IBM InfoSphere Information Server - update to 11.7.1.6 Service pack 2
AppDynamics NodeJS Agent - update to 25.12.1
openssl (Ubuntu package) - addressed in versions 1.0.1f-1ubuntu2.27+esm12, 1.0.2g-1ubuntu4.20+esm14, 1.0.2n-1ubuntu5.13+esm3, 1.1.1f-1ubuntu2.24+esm2, 1.1.1-1ubuntu2.1~18.04.23+esm7, 3.0.2-0ubuntu1.21, 3.0.13-0ubuntu3.7, 3.5.3-1ubuntu3
openssl-1_1-debuginfo - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl1_1 - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
openssl-1_1 - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl1_1-hmac - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1
libopenssl-1_1-devel - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
openssl-1_1-debugsource - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl1_1-debuginfo - addressed in versions 1.1.1d-2.122.1, 1.1.1d-150200.11.106.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl-1_1-devel-32bit - addressed in versions 1.1.1d-2.122.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1
libopenssl1_1-32bit - addressed in versions 1.1.1d-2.122.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl1_1-debuginfo-32bit - update to 1.1.1d-2.122.1
libopenssl1_1-hmac-32bit - addressed in versions 1.1.1d-2.122.1, 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1
openssl-debuginfo - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
openssl-debugsource - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
openssl-devel - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
openssl-libs - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
openssl-help - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
openssl - addressed in versions 1.1.1f-41, 1.1.1wa-15, 3.0.12-24, 3.0.12-33
libopenssl1_1-hmac-64bit - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1
libopenssl1_1-32bit-debuginfo - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1, 1.1.1w-150700.11.11.1
libopenssl1_1-64bit-debuginfo - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1
libopenssl-1_1-devel-64bit - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1
libopenssl1_1-64bit - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1
openssl-1_1-doc - addressed in versions 1.1.1l-150400.7.87.1, 1.1.1l-150500.17.46.1, 1.1.1w-150600.5.21.1
compat-openssl11-debuginfo - update to 1.1.1m-18
compat-openssl11-debugsource - update to 1.1.1m-18
compat-openssl11-devel - update to 1.1.1m-18
compat-openssl11-libs - update to 1.1.1m-18
compat-openssl11 - update to 1.1.1m-18
openssl-perl - addressed in versions 1.1.1wa-15, 3.0.12-24, 3.0.12-33
libopenssl3-64bit-debuginfo - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1
libopenssl-3-devel-64bit - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1
libopenssl3-64bit - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1
openssl-3-doc - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1
libopenssl3-32bit - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1
libopenssl-3-devel-32bit - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1
libopenssl3-32bit-debuginfo - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1
libopenssl-3-devel - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
openssl-3-debugsource - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
openssl-3 - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
openssl-3-debuginfo - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
libopenssl3-debuginfo - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
libopenssl3 - addressed in versions 3.0.8-150400.4.78.1, 3.0.8-150500.5.57.1, 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
openssl-doc - update to 3.0.12-18
openssl-devel - update to 3.0.12-18
openssl - update to 3.0.12-18
openssl-perl - update to 3.0.12-18
openssl-libs - update to 3.0.12-18
openssl (Debian package) - addressed in versions 3.0.18-1~deb12u2, 3.5.4-1~deb13u2
libopenssl-3-fips-provider-debuginfo - addressed in versions 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
libopenssl-3-fips-provider - addressed in versions 3.1.4-slfo.1.1_8.1, 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1, 3.5.0-160000.5.1
libopenssl-3-fips-provider-32bit - addressed in versions 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1
libopenssl-3-fips-provider-32bit-debuginfo - addressed in versions 3.1.4-150600.5.42.1, 3.2.3-150700.5.24.1
libopenssl-3-fips-provider-64bit-debuginfo - update to 3.1.4-150600.5.42.1
libopenssl-3-fips-provider-64bit - update to 3.1.4-150600.5.42.1
openssl (Red Hat package) - addressed in versions 3.5.1-7.el9_7, 3.5.1-7.el10_1
openssl - update to 3.5.4-2.fc43
NativeEdge Orchestrator - update to 4.2.0.0
edk2-help - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
python3-edk2-devel - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2-ovmf - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2-aarch64 - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2-devel - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2-debugsource - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2 - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35
edk2-debuginfo - addressed in versions 202002-34, 202011-30, 202308-29, 202308-32, 202308-35

• https://openssl-library.org/news/secadv/20260127.txt

• Multiple vulnerabilities in OpenSSL
• Ubuntu update for openssl
• Fedora 43 update for openssl
• Ubuntu update for openssl
• Debian update for openssl
• Red Hat Enterprise Linux 10 update for openssl
• SUSE update for openssl-3
• SUSE update for openssl-3
• SUSE update for openssl-3
• SUSE update for openssl-3
• SUSE update for openssl-1_1
• SUSE update for openssl-1_1
• SUSE update for openssl-1_1
• Red Hat Enterprise Linux 9 update for openssl
• SUSE update for openssl-1_1
• SUSE update for openssl-1_1
• SUSE update for openssl-1_1
• Tenable Identity Exposure update for third-party components
• SUSE update for openssl-3
• Meinberg LANTIME firmware update for third-party components
• openEuler 24.03 LTS SP1 update for openssl
• openEuler 24.03 LTS update for openssl
• openEuler 22.03 LTS SP4 update for openssl
• openEuler 20.03 LTS SP4 update for openssl
• openEuler 24.03 LTS SP3 update for openssl
• openEuler 24.03 LTS SP2 update for openssl
• SUSE update for openssl-3
• Anolis OS update for openssl
• Multiple vulnerabilities in IBM MQ
• Splunk AppDynamics NodeJS Agent update for third-party components
• Multiple vulnerabilities in IBM i
• Splunk Universal Forwarder update for third-party components
• openEuler 24.03 LTS SP2 update for edk2
• openEuler 24.03 LTS SP1 update for edk2
• openEuler 24.03 LTS update for edk2
• openEuler 22.03 LTS SP4 update for edk2
• openEuler 20.03 LTS SP4 update for edk2
• openEuler 24.03 LTS SP3 update for edk2
• IBM DataPower Gateway update for OpenSSL
• Multiple vulnerabilities in IBM InfoSphere Information Server
• FreeBSD update for OpenSSL
• openEuler 24.03 LTS SP3 update for compat-openssl11
• openEuler 24.03 LTS SP1 update for compat-openssl11
• openEuler 24.03 LTS update for compat-openssl11
• Multiple vulnerabilities in IBM Netezza Appliance
• Multiple vulnerabilities in IBM Watson Speech Services Cartridge
• Multiple vulnerabilities in IBM Cloud Pak System
• Multiple vulnerabilities in IBM Sterling Partner Engagement Manager
• Multiple vulnerabilities in Tenable Security Center
• Tenable Security Center on Enclave Security update for third-party components
• Multiple vulnerabilities in Dell NativeEdge Orchestrator