Description
sssd: libsss_certmap fails to sanitise certificate data used in LDAP filters
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | SSSD | Affects SSSD 1.15.3, Fixed in SSSD 2.3.1 | — |
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 | sssd | 2.3.1-1 | — |
| Debian 13 | sssd | 2.3.1-1 | — |
| Debian 12 | sssd | 2.3.1-1 | — |
| Debian 10 | sssd | 1.16.3-3.2+deb10u1 | DLA-3436-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | sssd | 2.2.3-3ubuntu0.11 | USN-6156-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | sssd | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | sssd +33 | 1.16.5-10.el7_9.15 | RHSA-2023:0403 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 TUS | sssd +28 | 2.2.3-20.el8_2.2 | RHSA-2023:0397 |
| RHEL 8.2 E4S | sssd +28 | 2.2.3-20.el8_2.2 | RHSA-2023:0397 |
| RHEL 8.2 AUS | sssd +28 | 2.2.3-20.el8_2.2 | RHSA-2023:0397 |
| RHEL 8.1 E4S | sssd +28 | 2.2.0-19.el8_1.3 | RHSA-2023:0442 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLES 15 SP2 | sssd | 1.16.1-150200.17.26.1 | SUSE-SU-2023:0300-1 |
| SLES 15 SP1 | sssd | 1.16.1-150000.8.70.1 | SUSE-SU-2023:0292-1 |
| SLES 12 SP5 | sssd | 1.16.1-7.49.1 | SUSE-SU-2023:0301-1 |
| SLES 12 SP4 | sssd | 1.16.1-4.43.1 | SUSE-SU-2023:0200-1 |
Show 19 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP3 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLES for SAP 15 SP2 | sssd | 1.16.1-150200.17.26.1 | SUSE-SU-2023:0300-1 |
| SLES for SAP 15 SP1 | sssd | 1.16.1-150000.8.70.1 | SUSE-SU-2023:0292-1 |
| SLES for SAP 12 SP5 | sssd | 1.16.1-7.49.1 | SUSE-SU-2023:0301-1 |
| SLES for SAP 12 SP4 | sssd | 1.16.1-4.43.1 | SUSE-SU-2023:0200-1 |
| SLE Real Time 15 SP3 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLE Micro 5.2 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLE Micro 5.1 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLE HPC 15 SP3 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SLE HPC 15 SP2 | sssd | 1.16.1-150200.17.26.1 | SUSE-SU-2023:0300-1 |
| SLE HPC 15 SP1 | sssd | 1.16.1-150000.8.70.1 | SUSE-SU-2023:0292-1 |
| SUSE OpenStack Cloud Crowbar 9 | sssd | 1.16.1-4.43.1 | SUSE-SU-2023:0200-1 |
| SUSE OpenStack Cloud 9 | sssd | 1.16.1-4.43.1 | SUSE-SU-2023:0200-1 |
| SUSE Manager Server 4.2 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SUSE Manager Retail Branch Server 4.2 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SUSE Manager Proxy 4.2 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SUSE Enterprise Storage 7.1 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
| SUSE Enterprise Storage 7 | sssd | 1.16.1-150200.17.26.1 | SUSE-SU-2023:0300-1 |
| SUSE Enterprise Storage 6 | sssd | 1.16.1-150000.8.70.1 | SUSE-SU-2023:0292-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | sssd | 1.16.1-150300.23.37.1 | SUSE-SU-2023:0204-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | sssd +33 | 1.16.5-10.amzn2.15 | ALAS2-2023-1995 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | sssd +33 | 1.16.5-10.0.3.el7_9.15 | ELSA-2023-0403 |
Advisories 15
- RHSA-2023:0403 Red Hat Security Advisory: sssd security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6156-1 sssd vulnerability Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-3436-1 sssd - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:0292-1 Security update for sssd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0301-1 Security update for sssd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0200-1 Security update for sssd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0300-1 Security update for sssd SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:0204-1 Security update for sssd SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2023:0442 Red Hat Security Advisory: sssd security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- RHSA-2023:0397 Red Hat Security Advisory: sssd security update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- WID-SEC-2023-0186 Red Hat Enterprise Linux: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen BSI CERT-Bund (WID) · Jul 22, 2025
- WID-SEC-2024-0064 Juniper Produkte: Mehrere Schwachstellen BSI CERT-Bund (WID) · Apr 10, 2025
- WID-SEC-2023-0809 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 19, 2024
- ALAS2-2023-1995 Important: sssd security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 21, 2023
- ELSA-2023-0403 Important: sssd security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 24, 2023
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2149894
- https://github.com/SSSD/sssd/issues/5135
- https://github.com/SSSD/sssd/commit/a2b9a84460429181f2a4fa7e2bb5ab49fd561274
- https://access.redhat.com/security/cve/CVE-2022-4254
- [debian-lts-announce] 20230529 [SECURITY] [DLA 3436-1] sssd security update mailing-list