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 — 4 sources updated 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: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 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 ... 3.3.0-2 (16 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
389-ds-base3.1.2+dfsg1-1 ... 3.3.0-2 (6 versions)——

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 7× in last 7d / 46× 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 243 total refreshes for this CVE.

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

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 54.5% 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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