CVE-2026-11788

HIGHNVD 7.55.9▼
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-06-09. NVD baseline CVSS 7.5; sources differ by 1.6.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
5.9(medium)
EPSS
26.7%
KEV
Not listed

Published

June 9, 2026

Last Modified

June 30, 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(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 86× 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.

  1. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 02:23 UTCEPSS rescore
  3. 2026-07-05 20:14 UTCEG score recompute
  4. 2026-07-05 20:14 UTCGHSA enrichment
  5. 2026-07-05 02:30 UTCEPSS rescore
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-04 19:50 UTCEG score recompute
  8. 2026-07-04 19:50 UTCGHSA enrichment
  9. 2026-07-04 06:31 UTCEPSS rescore
  10. 2026-07-03 17:49 UTCEG score recompute
  11. 2026-07-03 17:49 UTCGHSA enrichment
  12. 2026-07-02 17:25 UTCEG score recompute
  13. 2026-07-02 17:25 UTCGHSA enrichment
  14. 2026-07-01 16:46 UTCEG score recompute
  15. 2026-07-01 16:46 UTCGHSA enrichment
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 15:06 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 16:23 UTCEG score recompute
  20. 2026-06-30 16:23 UTCGHSA enrichment
  21. 2026-06-29 16:00 UTCEG score recompute
  22. 2026-06-29 16:00 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-28 15:37 UTCEG score recompute
  25. 2026-06-28 15:37 UTCGHSA enrichment
Show 61 more
  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:56 UTCEPSS rescore
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-27 15:14 UTCEG score recompute
  5. 2026-06-27 15:13 UTCGHSA enrichment
  6. 2026-06-27 03:08 UTCEPSS rescore
  7. 2026-06-26 14:50 UTCEG score recompute
  8. 2026-06-26 14:50 UTCGHSA enrichment
  9. 2026-06-25 14:19 UTCEG score recompute
  10. 2026-06-25 14:19 UTCGHSA enrichment
  11. 2026-06-25 13:49 UTCEPSS rescore
  12. 2026-06-24 14:05 UTCEPSS rescore
  13. 2026-06-24 13:56 UTCEG score recompute
  14. 2026-06-24 13:56 UTCGHSA enrichment
  15. 2026-06-23 21:32 UTCEPSS rescore
  16. 2026-06-23 11:35 UTCEG score recompute
  17. 2026-06-23 11:35 UTCGHSA enrichment
  18. 2026-06-22 14:25 UTCEPSS rescore
  19. 2026-06-22 14:25 UTCEPSS rescore
  20. 2026-06-22 05:20 UTCEG score recompute
  21. 2026-06-22 05:19 UTCGHSA enrichment
  22. 2026-06-21 14:56 UTCEPSS rescore
  23. 2026-06-21 14:56 UTCEPSS rescore
  24. 2026-06-21 01:59 UTCEPSS rescore
  25. 2026-06-21 01:59 UTCEPSS rescore
  26. 2026-06-20 21:36 UTCEG score recompute
  27. 2026-06-20 21:35 UTCGHSA enrichment
  28. 2026-06-19 19:47 UTCEG score recompute
  29. 2026-06-19 19:47 UTCGHSA enrichment
  30. 2026-06-19 19:25 UTCEPSS rescore
  31. 2026-06-18 19:23 UTCEG score recompute
  32. 2026-06-18 19:23 UTCGHSA enrichment
  33. 2026-06-18 17:52 UTCEPSS rescore
  34. 2026-06-17 17:53 UTCEPSS rescore
  35. 2026-06-17 17:08 UTCEG score recompute
  36. 2026-06-17 17:08 UTCGHSA enrichment
  37. 2026-06-16 17:52 UTCEPSS rescore
  38. 2026-06-16 16:06 UTCEG score recompute
  39. 2026-06-16 16:06 UTCGHSA enrichment
  40. 2026-06-15 17:48 UTCEPSS rescore
  41. 2026-06-15 15:43 UTCEG score recompute
  42. 2026-06-15 15:43 UTCGHSA enrichment
  43. 2026-06-14 23:18 UTCEPSS rescore
  44. 2026-06-14 15:20 UTCEG score recompute
  45. 2026-06-14 15:19 UTCGHSA enrichment
  46. 2026-06-13 23:00 UTCEPSS rescore
  47. 2026-06-13 23:00 UTCEPSS rescore
  48. 2026-06-13 14:55 UTCEG score recompute
  49. 2026-06-13 14:55 UTCGHSA enrichment
  50. 2026-06-12 23:12 UTCEPSS rescore
  51. 2026-06-12 20:13 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  52. 2026-06-12 14:32 UTCEG score recompute
  53. 2026-06-12 14:31 UTCGHSA enrichment
  54. 2026-06-11 14:07 UTCEG score recompute
  55. 2026-06-11 14:07 UTCGHSA enrichment
  56. 2026-06-11 14:00 UTCEPSS rescore
  57. 2026-06-10 22:18 UTCEPSS rescore
  58. 2026-06-10 13:45 UTCEG score recompute
  59. 2026-06-10 13:45 UTCGHSA enrichment
  60. 2026-06-09 13:22 UTCEG score recompute
  61. 2026-06-09 13:22 UTCMITRE cvelistV5first tracked

Related CVEs(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 June 30, 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 26.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11788?
CVE-2026-11788 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.9.
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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