CVE-2026-11788

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 55% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
34
EG Risk 34/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability0% × 15%
EPSS PROB
0.6%
EPSS %ILE
44th
KEV
Not listed

Published

June 9, 2026

Last Modified

August 18, 2026

Advisory Details (3)

Auto-updated Jun 12, 2026
Patch available. Sources: redhat.
generic

Jira

https://redhat.atlassian.net/browse/PSIRTSUPT-7600
redhat

2485423 – (CVE-2026-11788) CVE-2026-11788 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser

https://bugzilla.redhat.com/show_bug.cgi?id=2485423
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2026-11788

Vendor Advisories for CVE-2026-11788(15)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(15)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatredhat-ds:12-9040020260810131422.1674d5742026-08-18redhat
redhatredhat-ds:12-9020020260730155601.1674d5742026-08-18redhat
redhatredhat-ds:11-8080020260806114250.f969626e2026-08-18redhat
redhat389-ds:1.4-8100020260806150504.25e700aa2026-08-17redhat
redhat389-ds:1.4-8040020260803141511.96015a922026-08-17redhat
redhat389-ds-base-0:2.8.0-9.el9_82026-08-17redhat
redhat389-ds-base-0:2.2.4-20.el9_22026-08-17redhat
redhat389-ds-base-0:2.4.5-27.el9_42026-08-17redhat
redhat389-ds-base-0:2.6.1-23.el9_62026-08-17redhat
redhatredhat-ds:11-8100020260803140625.37ed7c032026-08-17redhat
redhat389-ds-base-0:3.2.0-9.el10_22026-08-17redhat
redhat389-ds:1.4-8080020260806114228.6dbb38032026-08-17redhat
redhat389-ds-base-0:3.0.6-20.el10_02026-08-17redhat
redhat389-ds-base-0:1.3.11.1-14.el7_92026-08-17redhat
redhat389-ds:1.4-8060020260806120442.824efc522026-08-17redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(3 across 3 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
389-ds-base1.4.4.11-2 ... 3.1.2+vendor1-2 (23 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
389-ds-base2.3.1+dfsg1-1 ... 3.3.1-3 (18 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
389-ds-base3.1.2+dfsg1-1 ... 3.3.1-3 (8 versions)
  • every version on: no fix on record
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 252 total refreshes for this CVE.

  1. 2026-10-04 23:21 UTCEPSS rescore
  2. 2026-10-03 14:25 UTCEPSS rescore
  3. 2026-10-01 19:49 UTCEPSS rescore
  4. 2026-09-30 15:02 UTCEPSS rescore
  5. 2026-09-29 15:20 UTCEPSS rescore
  6. 2026-09-28 13:50 UTCEPSS rescore
  7. 2026-09-26 15:58 UTCEPSS rescore
  8. 2026-09-23 13:47 UTCEPSS rescore
  9. 2026-09-20 20:15 UTCEPSS rescore
  10. 2026-09-18 19:27 UTCEPSS rescore
  11. 2026-09-16 05:14 UTCEPSS rescore
  12. 2026-09-14 04:37 UTCEG score recompute
  13. 2026-09-14 04:37 UTCVendor advisory
  14. 2026-09-14 04:37 UTCGHSA enrichment
  15. 2026-09-13 16:46 UTCEPSS rescore
  16. 2026-09-12 15:00 UTCEPSS rescore
  17. 2026-09-11 14:52 UTCEPSS rescore
  18. 2026-09-11 09:36 UTCEPSS rescore
  19. 2026-09-10 09:34 UTCEPSS rescore
  20. 2026-09-08 22:00 UTCEPSS rescore
  21. 2026-09-07 16:01 UTCEPSS rescore
  22. 2026-09-06 13:47 UTCEPSS rescore
  23. 2026-09-04 05:06 UTCEPSS rescore
  24. 2026-09-02 14:11 UTCEPSS rescore
  25. 2026-09-01 13:53 UTCEPSS rescore
Show 75 more
  1. 2026-09-01 04:39 UTCEPSS rescore
  2. 2026-08-31 00:56 UTCEG score recompute
  3. 2026-08-31 00:56 UTCVendor advisory
  4. 2026-08-31 00:56 UTCGHSA enrichment
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 01:21 UTCEPSS rescore
  7. 2026-08-28 21:40 UTCEPSS rescore
  8. 2026-08-27 14:24 UTCEPSS rescore
  9. 2026-08-25 13:48 UTCEPSS rescore
  10. 2026-08-25 00:51 UTCEG score recompute
  11. 2026-08-25 00:51 UTCVendor advisory
  12. 2026-08-25 00:51 UTCGHSA enrichment
  13. 2026-08-23 23:41 UTCVendor advisory
  14. 2026-08-23 23:41 UTCGHSA enrichment
  15. 2026-08-23 11:16 UTCEG score recompute
  16. 2026-08-23 11:16 UTCVendor advisory
  17. 2026-08-23 11:16 UTCGHSA enrichment
  18. 2026-08-23 00:19 UTCEPSS rescore
  19. 2026-08-21 23:48 UTCEPSS rescore
  20. 2026-08-21 22:47 UTCVendor advisory
  21. 2026-08-21 22:47 UTCGHSA enrichment
  22. 2026-08-21 10:13 UTCEG score recompute
  23. 2026-08-21 10:13 UTCVendor advisory
  24. 2026-08-21 10:13 UTCGHSA enrichment
  25. 2026-08-20 22:55 UTCEPSS rescore
  26. 2026-08-20 21:26 UTCVendor advisory
  27. 2026-08-20 21:26 UTCGHSA enrichment
  28. 2026-08-20 09:20 UTCEG score recompute
  29. 2026-08-20 09:20 UTCVendor advisory
  30. 2026-08-20 09:20 UTCGHSA enrichment
  31. 2026-08-19 17:03 UTCEPSS rescore
  32. 2026-08-18 15:34 UTCEG score recompute
  33. 2026-08-18 15:34 UTCVendor advisory
  34. 2026-08-18 15:34 UTCGHSA enrichment
  35. 2026-08-18 13:48 UTCEPSS rescore
  36. 2026-08-18 11:23 UTCVendor advisory
  37. 2026-08-18 11:23 UTCGHSA enrichment
  38. 2026-08-18 10:55 UTCVendor advisory
  39. 2026-08-18 10:55 UTCGHSA enrichment
  40. 2026-08-17 21:34 UTCVendor advisory
  41. 2026-08-17 21:34 UTCGHSA enrichment
  42. 2026-08-17 21:15 UTCVendor advisory
  43. 2026-08-17 21:15 UTCGHSA enrichment
  44. 2026-08-17 16:28 UTCVendor advisory
  45. 2026-08-17 16:28 UTCGHSA enrichment
  46. 2026-08-17 15:50 UTCVendor advisory
  47. 2026-08-17 15:50 UTCGHSA enrichment
  48. 2026-08-17 15:22 UTCVendor advisory
  49. 2026-08-17 15:22 UTCGHSA enrichment
  50. 2026-08-17 15:15 UTCEG score recompute
  51. 2026-08-17 15:15 UTCVendor advisory
  52. 2026-08-17 15:15 UTCGHSA enrichment
  53. 2026-08-17 10:25 UTCGHSA enrichment
  54. 2026-08-17 10:12 UTCGHSA enrichment
  55. 2026-08-17 03:26 UTCGHSA enrichment
  56. 2026-08-17 02:29 UTCGHSA enrichment
  57. 2026-08-17 01:55 UTCGHSA enrichment
  58. 2026-08-17 00:52 UTCEG score recompute
  59. 2026-08-17 00:52 UTCGHSA enrichment
  60. 2026-08-16 14:56 UTCEPSS rescore
  61. 2026-08-16 12:45 UTCEG score recompute
  62. 2026-08-16 12:45 UTCGHSA enrichment
  63. 2026-08-16 02:14 UTCEPSS rescore
  64. 2026-08-16 00:39 UTCGHSA enrichment
  65. 2026-08-15 11:35 UTCEG score recompute
  66. 2026-08-15 11:35 UTCGHSA enrichment
  67. 2026-08-15 01:30 UTCEPSS rescore
  68. 2026-08-14 22:34 UTCGHSA enrichment
  69. 2026-08-14 10:28 UTCGHSA enrichment
  70. 2026-08-13 22:22 UTCEG score recompute
  71. 2026-08-13 22:22 UTCGHSA enrichment
  72. 2026-08-13 22:00 UTCEPSS rescore
  73. 2026-08-13 09:41 UTCGHSA enrichment
  74. 2026-08-12 21:36 UTCEG score recompute
  75. 2026-08-12 21:36 UTCGHSA enrichment

Related CVEs(same product + same vendor + same CWE)

Same vendor

2 shown

redhat:RHSA-2026:55421

Frequently asked(5)

What is CVE-2026-11788?
CVE-2026-11788 is a high vulnerability published on June 9, 2026. A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.
When was CVE-2026-11788 disclosed?
CVE-2026-11788 was first published on June 9, 2026, with the most recent update on August 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-11788 actively exploited?
CVE-2026-11788 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (44th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-11788?
CVE-2026-11788 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-11788?
A fix for CVE-2026-11788 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-11788 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-11788

Explore →

Is Your Infrastructure Affected by CVE-2026-11788?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Book a Demo →Browse All CVEs