CVE-2026-58221
samba vulnerability
CVE-2026-58221 is fixed in 31 products on 1 platform, first by ctdb 2:4.23.6+dfsg-1ubuntu2.2, released July 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
n/a
Samba AD authenticated LDAP access domain takeover. Samba AD low-privilege authenticated LDAP access allows modifications to internal LDB special DNs, which permits a domain takeover.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ctdb · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | ctdb 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| ctdb · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | ctdb 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| ctdb · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | ctdb 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| ldb-tools · Ubuntu 24.04.5 LTS (noble) | 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | ldb-tools 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| ldb-tools · Ubuntu 26.04.1 LTS (resolute) | 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | ldb-tools 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libldb2 · Ubuntu 24.04.5 LTS (noble) | 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | libldb2 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| libldb2 · Ubuntu 26.04.1 LTS (resolute) | 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | libldb2 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libnss-winbind · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | libnss-winbind 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| libnss-winbind · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | libnss-winbind 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| libnss-winbind · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | libnss-winbind 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libpam-winbind · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | libpam-winbind 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| libpam-winbind · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | libpam-winbind 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| libpam-winbind · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | libpam-winbind 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libsmbclient · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | libsmbclient 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| libsmbclient0 · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | libsmbclient0 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| libsmbclient0 · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | libsmbclient0 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libtalloc2 · Ubuntu 26.04.1 LTS (resolute) | 2:2.4.3+samba4.23.6+dfsg-1ubuntu2.2 | libtalloc2 2:2.4.3+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libtdb1 · Ubuntu 26.04.1 LTS (resolute) | 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | libtdb1 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libtevent0t64 · Ubuntu 26.04.1 LTS (resolute) | 2:0.17.1+samba4.23.6+dfsg-1ubuntu2.2 | libtevent0t64 2:0.17.1+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| libwbclient0 · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | libwbclient0 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| libwbclient0 · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | libwbclient0 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| libwbclient0 · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | libwbclient0 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| python3-ldb · Ubuntu 24.04.5 LTS (noble) | 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | python3-ldb 2:2.8.0+samba4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| python3-ldb · Ubuntu 26.04.1 LTS (resolute) | 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | python3-ldb 2:2.11.0+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| python3-samba · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | python3-samba 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| python3-samba · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | python3-samba 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| python3-samba · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | python3-samba 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| python3-talloc · Ubuntu 26.04.1 LTS (resolute) | 2:2.4.3+samba4.23.6+dfsg-1ubuntu2.2 | python3-talloc 2:2.4.3+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| python3-tdb · Ubuntu 26.04.1 LTS (resolute) | 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | python3-tdb 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| registry-tools · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | registry-tools 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| registry-tools · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | registry-tools 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| registry-tools · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | registry-tools 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba · Debian 13.5 (trixie) | 2:4.22.10+dfsg-0+deb13u2 | DEBIAN-CVE-2026-58221 | Jul 31, 2026 |
| samba · Debian 14 | 2:4.24.5+dfsg-1 | DEBIAN-CVE-2026-58221 | Jul 31, 2026 |
| samba · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba · opensuse-leap 16.0 | 4.22.11+git.552.66cfeb7de0a-160000.1.1 | OPENSUSE-SU-2026:21540-1 | Aug 6, 2026 |
| samba · sles 15.6 | 4.19.8+git.501.67274891bc-150600.3.29.1 | SUSE-SU-2026:3364-1 | Jul 28, 2026 |
| samba · sles 15.7 | 4.21.10+git.533.31d7e5508d-150700.3.29.1 | SUSE-SU-2026:3363-1 | Jul 28, 2026 |
| samba · sles 16.0 | 4.22.11+git.552.66cfeb7de0a-160000.1.1 | SUSE-SU-2026:23152-1 | Aug 6, 2026 |
| samba-ad-dc · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-ad-dc 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-ad-dc · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-ad-dc 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-ad-provision · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-ad-provision 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-ad-provision · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-ad-provision 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-common · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-common 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-common · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-common 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-common · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-common 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-common-bin · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-common-bin 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-common-bin · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-common-bin 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-common-bin · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-common-bin 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-dsdb-modules · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-dsdb-modules 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-dsdb-modules · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-dsdb-modules 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-dsdb-modules · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-dsdb-modules 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-libs · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-libs 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-libs · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-libs 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-libs · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-libs 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-testsuite · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-testsuite 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-testsuite · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-testsuite 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-testsuite · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-testsuite 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-vfs-ceph · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-vfs-ceph 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-vfs-glusterfs · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-vfs-glusterfs 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-vfs-modules · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | samba-vfs-modules 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| samba-vfs-modules · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-vfs-modules 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-vfs-modules · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-vfs-modules 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| samba-vfs-modules-extra · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | samba-vfs-modules-extra 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| samba-vfs-modules-extra · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | samba-vfs-modules-extra 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| smbclient · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | smbclient 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| smbclient · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | smbclient 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| smbclient · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | smbclient 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| tdb-tools · Ubuntu 26.04.1 LTS (resolute) | 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | tdb-tools 2:1.4.14+samba4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
| winbind · Ubuntu 22.04.1 LTS (jammy) | 2:4.15.13+dfsg-0ubuntu1.13 | winbind 2:4.15.13+dfsg-0ubuntu1.13 | Jul 31, 2026 |
| winbind · Ubuntu 24.04.5 LTS (noble) | 2:4.19.5+dfsg-4ubuntu9.7 | winbind 2:4.19.5+dfsg-4ubuntu9.7 | Jul 31, 2026 |
| winbind · Ubuntu 26.04.1 LTS (resolute) | 2:4.23.6+dfsg-1ubuntu2.2 | winbind 2:4.23.6+dfsg-1ubuntu2.2 | Jul 28, 2026 |
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