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
Trending — Patch released this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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
7.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

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%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
45%
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 / EcosystemFixed in / PatchReleasedSource
redhatredhat-ds:11-8080020260806114250.f969626e2026-08-18redhat
redhatredhat-ds:12-9020020260730155601.1674d5742026-08-18redhat
redhatredhat-ds:12-9040020260810131422.1674d5742026-08-18redhat
redhat389-ds-base-0:1.3.11.1-14.el7_92026-08-17redhat
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:1.4-8100020260806150504.25e700aa2026-08-17redhat
redhat389-ds-base-0:3.0.6-20.el10_02026-08-17redhat
redhat389-ds:1.4-8060020260806120442.824efc522026-08-17redhat
redhat389-ds:1.4-8080020260806114228.6dbb38032026-08-17redhat

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 rangeFixed inDependents
389-ds-base1.4.4.11-2 ... 3.1.2+vendor1-2 (23 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
389-ds-base2.3.1+dfsg1-1 ... 3.1.2+vendor1-2 (14 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
389-ds-base3.1.2+dfsg1-1, 3.1.2+dfsg1-1+deb13u1, 3.1.2+vendor1-1, 3.1.2+vendor1-2——

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 45× in last 7d / 121× 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 203 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

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 in the National Vulnerability Database 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 1% probability of exploitation in the next 30 days, which ranks it in the top 54.6% of all 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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11788, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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