Description
An information leak vulnerability was discovered in Samba's LDAP server. Due to missing access control checks, an authenticated but unprivileged attacker could discover the names and preserved attributes of deleted objects in the LDAP store.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Samba | All versions from 4.0.0 onwards | — |
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 | samba | 2:4.19.3+dfsg-1 | — |
| Debian 13 | samba | 2:4.19.3+dfsg-1 | — |
| Debian 12 | samba | 2:4.17.12+dfsg-0+deb12u3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | samba | 2:4.19.4+dfsg-3ubuntu1 | — |
| Ubuntu 22.04 LTS | samba | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 18.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 16.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 14.04 LTS | samba | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | samba | 4.19.4+git.339.acf1ccaa020-1.1 | openSUSE-SU-2024:13579-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | samba | 4.18.9-r0 | — |
| Alpine v3.23 | samba | 4.18.9-r0 | — |
| Alpine v3.22 | samba | 4.18.9-r0 | — |
| Alpine v3.21 | samba | 4.18.9-r0 | — |
| Alpine v3.20 | samba | 4.18.9-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | samba | 4.18.9-r0 | — |
| Alpine v3.18 | samba | 4.18.9-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | samba +31 | 2:4.17.8-0.amzn2023.0.2 | ALAS2023-2023-206 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | samba | No fix yet | — |
| Azure Linux 2 (CBL-Mariner) | samba | No fix yet | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | libauth-samba | 4.23.2-r0 | — |
Advisories 3
- openSUSE-SU-2024:13579-1 ctdb-4.19.4+git.339.acf1ccaa020-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-3012 Samba: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Feb 18, 2024
- ALAS2023-2023-206 Important: samba security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jun 7, 2023
References
- https://bugzilla.samba.org/show_bug.cgi?id=13595
- https://bugzilla.redhat.com/show_bug.cgi?id=1625445
- http://www.openwall.com/lists/oss-security/2023/11/28/4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DK57HQRTCDOZDIIICYWQ4Z5IQXTWVVW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVMYEP5KJRL3FWSCZW2MQZ26IVPXY62/