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NVD / CVE Program· CNA redhat

CVE-2026-11792: 389-ds-base: 389-ds-base: heap buffer overflow in audit log password masking (create_masked_entry_string)

Noroxi assessment

Priority: Monitor (action score 13/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.25% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. Special conditions such as timing or configuration are required.
  • Fixed version: 389-ds (openSUSE:Leap 16.0) 3.0.6~git382.7a51ea5f5-160000.1.1; 389-ds (openSUSE:Tumbleweed) 3.2.2+4b41542b2-1.1; 389-ds (SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS) 2.2.10~git255.752643c78-150500.3.48.1.

Low priority for now. Upgrade to 389-ds (openSUSE:Leap 16.0) 3.0.6~git382.7a51ea5f5-160000.1.1; 389-ds (openSUSE:Tumbleweed) 3.2.2+4b41542b2-1.1; 389-ds (SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS) 2.2.10~git255.752643c78-150500.3.48.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A heap buffer overflow flaw was found in 389 Directory Server. When audit logging is enabled, the create_masked_entry_string() function in auditlog.c copies a fixed-length password mask into a precisely-sized heap buffer without checking available space. If a short cleartext password is logged (requiring non-default CLEAR password storage or a compromised replication peer), the copy overflows the buffer, corrupting heap memory and audit log output.

LowCVSS 3.3 · v3.1—No exploit Fix available
Published
Jun 9, 2026
Updated
Jul 23, 2026
EPSS
0.2% · 17th percentile

Report tools

JSON

Action score

13

Monitor

Low priority for now.

CVSS
13 / 40 · 3.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · redhat
3.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • Red Hat Red Hat Directory Server 11

    • all versionsunknown

  • Red Hat Red Hat Directory Server 12

    • all versionsaffected

  • Red Hat Red Hat Directory Server 13

    • all versionsaffected

  • Red Hat Red Hat Enterprise Linux 10

    • all versionsaffected

  • Red Hat Red Hat Enterprise Linux 6

    • all versionsunknown

  • Red Hat Red Hat Enterprise Linux 7

    • all versionsunknown

  • Red Hat Red Hat Enterprise Linux 8

    • all versionsunknown

  • Red Hat Red Hat Enterprise Linux 9

    • all versionsaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12389-ds-basefrom 0—
openSUSE:Leap 16.0389-dsbefore 3.0.6~git382.7a51ea5f5-160000.1.13.0.6~git382.7a51ea5f5-160000.1.1
openSUSE:Tumbleweed389-dsbefore 3.2.2+4b41542b2-1.13.2.2+4b41542b2-1.1
SUSE:Linux Enterprise High Performance Computing 15 SP5-ESPOS389-dsbefore 2.2.10~git255.752643c78-150500.3.48.12.2.10~git255.752643c78-150500.3.48.1
SUSE:Linux Enterprise Module for Server Applications 15 SP7389-dsbefore 2.7.0~git212.9b0755edb-150700.3.19.12.7.0~git212.9b0755edb-150700.3.19.1
SUSE:Linux Enterprise Server 15 SP6-LTSS389-dsbefore 2.2.10~git255.752643c78-150600.8.32.12.2.10~git255.752643c78-150600.8.32.1
SUSE:Linux Enterprise Server 16.0389-dsbefore 3.0.6~git382.7a51ea5f5-160000.1.13.0.6~git382.7a51ea5f5-160000.1.1

Same product

red hat: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-86345389-ds-base: 389-ds-base: starttls plaintext-buffer retention allows on-path attacker to forge an ldap client's authentication result
    36Monitor
  • CVE-2026-86344389-ds-base: 389-ds-base: unauthenticated worker-thread-pool exhaustion via completed-operation-then-incomplete-pdu connection requeue
    30Monitor
  • CVE-2026-117548389-ds-base: 389-ds-base: null pointer dereference via modifydn using an attribute's schema alias name causes denial of service
    26Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2025-3416Apr 8, 2025 · Rust-openssl: rust-openssl use-after-free in `md::fetch` and `cipher::fetch`
    14Monitor
  • ← EarlierCVE-2025-4574May 13, 2025 · Crossbeam-channel: crossbeam-channel vulnerable to double free on drop
    26Monitor
  • Later →CVE-2026-11884Jun 10, 2026 · 389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
opensuse:389-ds3.2.2+4b41542b2-1.1 · openSUSE:TumbleweedPackage registry (OSV)
suse:389-ds3.0.6~git382.7a51ea5f5-160000.1.1 · SUSE:Linux Enterprise Server 16.0Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-118841 days apart389-ds-base: 389-ds-base: heap buffer overflow in schema objectclass serialization due to missing oc_superior in size calculation
    26Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

CWE-122 · Heap-based Buffer Overflow

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:L

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records