Description
A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | libksba | Fixed in libksba v1.6.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libksba | 1.6.2-1 | — |
| Debian 13 | libksba | 1.6.2-1 | — |
| Debian 12 | libksba | 1.6.2-1 | — |
| Debian 11 | libksba | 1.5.0-3+deb11u1 | DSA-5255-1 |
| Debian 10 | libksba | 1.3.5-2+deb10u1 | DLA-3153-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libksba | 1.6.0-2ubuntu0.1 | USN-5688-1 |
| Ubuntu 20.04 LTS | libksba | 1.3.5-2ubuntu0.20.04.1 | USN-5688-1 |
| Ubuntu 18.04 LTS | libksba | 1.3.5-2ubuntu0.18.04.1 | USN-5688-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libksba | 1.3.3-1ubuntu0.16.04.1+esm1 | USN-5688-1 |
| Ubuntu Pro 14.04 LTS | libksba | 1.3.0-3ubuntu0.14.04.2+esm1 | USN-5688-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | libksba +1 | 1.5.1-5.el9_0 | RHSA-2022:7090 |
| RHEL 8 | libksba +1 | 1.3.5-8.el8_6 | RHSA-2022:7089 |
| RHEL 7 | libksba +1 | 1.3.0-6.el7_9 | RHSA-2022:7088 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Hypervisor 4 | redhat-virtualization-host +1 | 4.5.3-202211170828_8.6 | RHSA-2022:8598 |
| RHEL 8.4 EUS | libksba +1 | 1.3.5-8.el8_4 | RHSA-2022:7927 |
| RHEL 8.2 TUS | libksba | 1.3.5-8.el8_2 | RHSA-2022:7283 |
| RHEL 8.2 E4S | libksba | 1.3.5-8.el8_2 | RHSA-2022:7283 |
| RHEL 8.2 AUS | libksba | 1.3.5-8.el8_2 | RHSA-2022:7283 |
| RHEL 8.1 E4S | libksba | 1.3.5-8.el8_1 | RHSA-2022:7209 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | libksba +1 | 1.5.1-5.el9_0 | ALSA-2022:7090 |
| AlmaLinux 8 | libksba +1 | 1.3.5-8.el8_6 | ALSA-2022:7089 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | libksba | 1.5.1-5.el9_0 | RLSA-2022:7090 |
| Rocky Linux 8 | libksba | 1.3.5-8.el8_6 | RLSA-2022:7089 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES 15 SP3 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES 15 SP2 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES 15 SP1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES 15 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
Show 22 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLES 12 SP4 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLES 12 SP3 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLES 12 SP2 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLES for SAP 15 SP2 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES for SAP 15 SP1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES for SAP 15 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLES for SAP 12 SP5 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLES for SAP 12 SP4 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SLE Micro 5.3 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLE Micro 5.2 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLE Micro 5.1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLE HPC 15 SP2 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLE HPC 15 SP1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SLE HPC 15 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SUSE OpenStack Cloud Crowbar 9 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SUSE OpenStack Cloud 9 | libksba | 1.3.0-24.3.1 | SUSE-SU-2022:3681-1 |
| SUSE Manager Server 4.1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SUSE Manager Retail Branch Server 4.1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SUSE Manager Proxy 4.1 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SUSE Enterprise Storage 7 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| SUSE Enterprise Storage 6 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libksba | 1.6.2-1.1 | openSUSE-SU-2024:12418-1 |
| openSUSE Leap 15.4 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
| openSUSE Leap 15.3 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | libksba | 1.3.5-150000.4.3.1 | SUSE-SU-2022:3683-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | libksba | 1.6.2-r0 | — |
| Alpine v3.23 | libksba | 1.6.2-r0 | — |
| Alpine v3.22 | libksba | 1.6.2-r0 | — |
| Alpine v3.21 | libksba | 1.6.2-r0 | — |
| Alpine v3.20 | libksba | 1.6.2-r0 | — |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | libksba | 1.6.2-r0 | — |
| Alpine v3.18 | libksba | 1.6.2-r0 | — |
| Alpine v3.17 | libksba | 1.6.2-r0 | — |
| Alpine v3.16 | libksba | 1.6.3-r0 | — |
| Alpine v3.15 | libksba | 1.6.3-r0 | — |
| Alpine v3.14 | libksba | 1.5.1-r1 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libksba +1 | 1.6.3-1.amzn2023.0.2 | ALAS2023-2023-088 |
| Amazon Linux 2 | libksba +1 | 1.3.0-6.amzn2 | ALAS2-2022-1890 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | gnupg2 | 2.4.0-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | libksba +1 | 1.5.1-5.el9_0 | ELSA-2022-7090 |
| Oracle Linux 8 | libksba +1 | 1.3.5-8.el8_6 | ELSA-2022-7089 |
| Oracle Linux 7 | libksba +1 | 1.3.0-6.el7_9 | ELSA-2022-7088 |
Advisories 30
- ALSA-2022:7090 Important: libksba security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7089 Important: libksba security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8598 Red Hat Security Advisory: Red Hat Virtualization Host security update [ovirt-4.5.3-1] Red Hat Security Advisories (RHSA) · Oct 9, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- USN-5688-1 libksba vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2022:7089 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2022:7927 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2022:7090 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2022:7088 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-5255-1 libksba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3153-1 libksba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2022:7090 Important: libksba security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7089 Important: libksba security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2022:3683-1 Security update for libksba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3681-1 Security update for libksba SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2022:7283 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Dec 27, 2025
- RHSA-2022:7209 Red Hat Security Advisory: libksba security update Red Hat Security Advisories (RHSA) · Dec 27, 2025
- WID-SEC-2023-1542 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- WID-SEC-2023-1424 Xerox FreeFlow Print Server für Solaris: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 6, 2025
- SSA-455250 SSA-455250: Multiple Vulnerabilities in Palo Alto Networks Virtual NGFW on RUGGEDCOM APE1808 Devices Before V11.1.2-h3 Siemens ProductCERT · May 13, 2025
- ICSA-24-102-04 Siemens RUGGEDCOM APE1808 CISA ICS & IT advisories · May 13, 2025
- openSUSE-SU-2024:12418-1 libksba-devel-1.6.2-1.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- SSA-806742 SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4 Siemens ProductCERT · Feb 13, 2024
- ICSA-24-046-11 Siemens SCALANCE XCM-/XRM-300 CISA ICS & IT advisories · Feb 13, 2024
- ALAS2023-2023-088 Important: libksba security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- WID-SEC-2022-1744 GnuPGP: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Dec 28, 2022
- ALAS2-2022-1890 Important: libksba security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Dec 6, 2022
- ELSA-2022-7090 Important: libksba security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Oct 24, 2022
- ELSA-2022-7089 Important: libksba security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Oct 24, 2022
- ELSA-2022-7088 Important: libksba security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 24, 2022