Summary
[0:4.23.5-10]
- Bump build number
[0:4.23.5-9]
- Security release for CVE-2026-1933 CVE-2026-2340 CVE-2026-3012
CVE-2026-4480 CVE-2026-40170 CVE-2026-4408
- resolves: RHEL-156319 - CVE-2026-1933 CVE-2026-2340 CVE-2026-3012 samba:
various flaws
- resolves: RHEL-161657 - CVE-2026-4480 - Fix Samba printing
- resolves: RHEL-170597 - CVE-2026-40170 - Update bundled ngtcp2
- resolves: RHEL-166868 - Add stack protection with FORTIFY_SOURCE
Fixed packages 37
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 9 | ldb-tools | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libldb | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libldb-devel | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libnetapi | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libnetapi-devel | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libsmbclient | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libsmbclient-devel | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libwbclient | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | libwbclient-devel | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | python3-ldb | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | python3-samba | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | python3-samba-dc | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | python3-samba-test | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-client | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-client-libs | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-common | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-common-libs | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-common-tools | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-dc-libs | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-dcerpc | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-devel | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-gpupdate | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-krb5-printing | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-ldb-ldap-modules | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-libs | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-pidl | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-test | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-test-libs | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-tools | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-usershares | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-vfs-iouring | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-winbind | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-winbind-clients | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-winbind-krb5-locator | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-winbind-modules | 0:4.23.5-10.el9_8 |
| Oracle Linux · 9 | samba-winexe | 0:4.23.5-10.el9_8 |
Vulnerabilities 6
-
Critical 9.0
Samba: remote code execution in samr
A flaw was found in Samba. A remote attacker can exploit a misconfiguration in Samba file servers and classic domain controllers that use the "check password script" feature. If this script is configured with the %u substitution character, the client-controll…
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Critical 9.0
Samba: samba: remote code execution in printing subsystem via unescaped job description
A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacke…
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High 8.0
Samba: group policy certificate enrollment uses http:// without validation
A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verifi…
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High 7.5
ngtcp2 has a qlog transport parameter serialization stack buffer overflow
ngtcp2 is a C implementation of the IETF QUIC protocol. In versions prior to 1.22.1, ngtcp2_qlog_parameters_set_transport_params() serializes peer transport parameters into a fixed 1024-byte stack buffer without bounds checking. When qlog is enabled, a remote…
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High 7.1
Samba: missing access check on reparse point operations
A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata t…
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Medium 6.5
Samba: vfs_worm does not block directory modification
A flaw was found in Samba’s vfs_worm module. The module is intended to provide write-once, read-many (WORM) protections by preventing modification of files after a configurable grace period. Due to insufficient validation during rename operations, an authenti…