openSUSE 16 Security Update : 389-ds (openSUSE-SU-2026:21691-1)

medium Nessus Plugin ID 342105

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21691-1 advisory.

Update to version 3.0.6~git382.7a51ea5f5.

Security issues fixed:

- CVE-2026-11610: heap buffer overflow in the SASL I/O layer via a crafted oversized LDAP UNBIND packet (bsc#1270695).
- CVE-2026-11611: unbounded memory growth allowed by the Content Synchronization persistent search plugin when an authenticated client stops reading sync responses (bsc#1267975).
- CVE-2026-11774: integer overflow in the SASL I/O layer leading to heap buffer overflow via crafted SASL packet length prefixes (bsc#1268298).
- CVE-2026-11785: type confusion in the SSO token handler can cause partial stack address information disclosure in LDAP responses to authenticated users (bsc#1268065).
- CVE-2026-11786: out-of-bounds read in the LDIF parser when processing attribute types with trailing semicolons during database import (bsc#1268064).
- CVE-2026-11787: heap buffer overread due to missing checks in string filter parsing (bsc#1268062).
- CVE-2026-11788: server crash due to missing allocation failure checks in the dereference control plugin (bsc#1268057).
- CVE-2026-11789: integer underflow in the SMD5 password storage plugin leading to a buffer overflow via a crafted password hash (bsc#1268058).
- CVE-2026-11790: excessive CPU consumption during authentication due to improper upper bounds enforcement in the PBKDF2-SHA256 password storage plugin (bsc#1268060).
- CVE-2026-11791: use-after-free in the schema reload mechanism can be triggered while concurrent LDAP query traffic is active (bsc#1268047).
- CVE-2026-11792: heap buffer overflow when audit logging is enabled and short cleartext passwords are logged (bsc#1268046).
- CVE-2026-11793: stack buffer overflow leading to crash via crafted credentials with an oversized algorithm ID (bsc#1268041).
- CVE-2026-11884: heap buffer overflow leading to crash when serializing objectclass definitions (bsc#1268115).
- CVE-2026-12528: heap buffer overflow during ACI parsing via malformed ACI strings (bsc#1268491).

Other updates and bugfixes:

- Version 3.0.6~git382.7a51ea5f5:
* Issue 7711 - Fix typo in accountpolicy --login-history-size help text (#7713)
* Issue 7688 - BUG - partial address leak in sso token (#7689)
* Issue 7705 - With memberOfEntryScope set, deferred memberOf skips MODIFY operations (#7706)
* Issue 7698 - Fix silent entry loss in LMDB bulk import waiter handling (#7699)
* Issue 7666 - Replication performance degradation during total init on high-latency storage (#7667)
* Issue 7201 - Syscall overhead in LMDB import writer thread (#7204)
* Issue 7645 - Add runtime LeakSanitizer leak check (#7646)
* Issue 7714 - UI - sass import rules are deprecated
* Issue 7658 - Heap Buffer Overflow in sasl_io_recv() via Padded SASL UNBIND
* Issue 7710 - MemberOf deferred update - Use condvar instead of sleep loop
* Issue 7637 - UI - Using Arrow Keys in New Object Wizard Resulted in DOM Reload
* Issue 7578 - schema - attribute refcount is not maintained properly
* Issue 7605 - Harden CI test ports against ephemeral allocation (#7692)
* Issue 7528 - Retry the CI image pull instead of failing the job (#7691)
* Backport Issue 7519 -- ignore obsolete entrydn when entryrdn is in use (#7657)
* Issue 7460 - MOD_REPLACE on groups/link attributes modifies overlap targets (#7461)
* Issue 7505 - RFE - CLI - add feature to determine which password policy applies to a user
* Issue 7670 - BDB range searches intermittently fail with err=1 under write load (#7671)
* Issue 7108 - Fix shutdown crash in entry cache destruction (#7163)
* Issue 7284 - Creating local password policy succeeds with incorrect passwordInHistory value (#7662)
* Issue 7284 - Automated test for creating local password policy with incorrect passwordInHistory value (#7608)
* Issue 7200 - repl-agmt create doesn't set some parameters (#7663)
* Issue 7573 - Post-import cache autotuning does not recompute entry cache size (#7574)

- Version 3.0.6~git359.953dc780a:
* Issue 7470 - dsctl localhost tls import-server-key-cert fails with 'expected str, bytes or os.PathLike object, not NoneType' (#7477)

- Version 3.0.6~git356.e6c148b60:
* Issue 7611 - PBKDF2 password verification should reject invalid iteration count (#7613)
* Issue 7558 - Total init sends the suffix entry twice (#7640)
* Issue 7635 - Integer Underflow in {SMD5} Password Comparison (#7636)
* Issue 7406 - Fix ldap-agent SNMP stats file loading (#7630)
* Issue 7621 - Stack Buffer Overflow in Password checkPrefix
* Issue 7623 - Heap Buffer Overflow in 389-ds-base Audit Log Password Masking
* Issue 7602 - CI - lib389 user compare fails due to parentid mismatch (#7603)
* Issue 7537 - CI - Fix replication log monitoring parser/timing failures (#7592)
* Issue 7593 - Fix testimony docstring for SASL overflow test (#7606)
* Issue 7530 - CI - Stabilize DNA plugin replication tests timing out in CI (#7572)
* Issue 7593 - Reject invalid SASL packet length values in sasl_io_start_packet (#7594)
* Issue 3555 - UI - Fix audit issue with npm - ws, js-yaml, babel/core (#7599)
* Bump fast-uri from 3.1.0 to 3.1.2 in /src/cockpit/389-console (#7487)
* Update dependency uuid to v14 [SECURITY] (#7456)
* Update cockpit-389-ds-npm (major) (#7448)
* Issue 7263 - UI - Use cockpit.file API for temporary file writes (#7590)
* Issue 7541 - Add invalid ACL text header regression test (#7591)
* Issue 7554 - UI - Revise local password policy layout
* Issue 7521 - UI - make changes for cockpit API updates

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1267975

https://bugzilla.suse.com/1268041

https://bugzilla.suse.com/1268046

https://bugzilla.suse.com/1268047

https://bugzilla.suse.com/1268057

https://bugzilla.suse.com/1268058

https://bugzilla.suse.com/1268060

https://bugzilla.suse.com/1268062

https://bugzilla.suse.com/1268064

https://bugzilla.suse.com/1268065

https://bugzilla.suse.com/1268115

https://bugzilla.suse.com/1268298

https://bugzilla.suse.com/1268491

https://bugzilla.suse.com/1269120

https://bugzilla.suse.com/1270695

https://www.suse.com/security/cve/CVE-2026-11610

https://www.suse.com/security/cve/CVE-2026-11611

https://www.suse.com/security/cve/CVE-2026-11774

https://www.suse.com/security/cve/CVE-2026-11785

https://www.suse.com/security/cve/CVE-2026-11786

https://www.suse.com/security/cve/CVE-2026-11787

https://www.suse.com/security/cve/CVE-2026-11788

https://www.suse.com/security/cve/CVE-2026-11789

https://www.suse.com/security/cve/CVE-2026-11790

https://www.suse.com/security/cve/CVE-2026-11791

https://www.suse.com/security/cve/CVE-2026-11792

https://www.suse.com/security/cve/CVE-2026-11793

https://www.suse.com/security/cve/CVE-2026-11884

https://www.suse.com/security/cve/CVE-2026-12528

Plugin Details

Severity: Medium

ID: 342105

File Name: openSUSE-2026-21691-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/1/2026

Updated: 9/1/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:N/A:N

CVSS Score Source: CVE-2026-11786

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:389-ds-devel, p-cpe:/a:novell:opensuse:389-ds-snmp, p-cpe:/a:novell:opensuse:389-ds, p-cpe:/a:novell:opensuse:lib389, p-cpe:/a:novell:opensuse:libsvrcore0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2026

Vulnerability Publication Date: 6/8/2026

Reference Information

CVE: CVE-2026-11610, CVE-2026-11611, CVE-2026-11774, CVE-2026-11785, CVE-2026-11786, CVE-2026-11787, CVE-2026-11788, CVE-2026-11789, CVE-2026-11790, CVE-2026-11791, CVE-2026-11792, CVE-2026-11793, CVE-2026-11884, CVE-2026-12528