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.
CVE-2026-11788
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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 computedSeverity75% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 27%
- KEV
- Not listed
Published
June 9, 2026
Last Modified
July 23, 2026
Advisory Details (3)
Auto-updated Jun 12, 20262485423 – (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=2485423Vendor 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 22× in last 7d / 56× 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 108 total refreshes for this CVE.
- 2026-07-31 14:36 UTCGHSA enrichment
- 2026-07-31 01:20 UTCEG score recompute
- 2026-07-31 01:20 UTCGHSA enrichment
- 2026-07-30 16:27 UTCEPSS rescore
- 2026-07-30 11:12 UTCEG score recompute
- 2026-07-30 11:12 UTCGHSA enrichment
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-29 17:32 UTCGHSA enrichment
- 2026-07-29 05:26 UTCEG score recompute
- 2026-07-29 05:26 UTCGHSA enrichment
- 2026-07-28 15:36 UTCEPSS rescore
- 2026-07-28 02:46 UTCEG score recompute
- 2026-07-28 02:46 UTCGHSA enrichment
- 2026-07-27 14:13 UTCEPSS rescore
- 2026-07-27 09:31 UTCGHSA enrichment
- 2026-07-26 21:25 UTCEG score recompute
- 2026-07-26 21:25 UTCGHSA enrichment
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 06:51 UTCEG score recompute
- 2026-07-26 06:51 UTCGHSA enrichment
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-24 14:17 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 03:04 UTCEG score recompute▲ 1.60
Show 75 moreShow fewer
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 20:13 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 02:23 UTCGHSA enrichment
- 2026-07-13 22:30 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 21:20 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-10 20:57 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 02:56 UTCGHSA enrichment
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 15:15 UTCEPSS rescore
- 2026-07-08 01:52 UTCGHSA enrichment
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 20:14 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 19:50 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-03 17:49 UTCGHSA enrichment
- 2026-07-02 17:25 UTCGHSA enrichment
- 2026-07-01 16:46 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-06-30 23:22 UTCEPSS rescore
- 2026-06-30 16:23 UTCGHSA enrichment
- 2026-06-29 16:00 UTCGHSA enrichment
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-28 15:37 UTCGHSA enrichment
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-28 04:56 UTCEPSS rescore
- 2026-06-27 15:13 UTCGHSA enrichment
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-26 14:50 UTCGHSA enrichment
- 2026-06-25 14:19 UTCGHSA enrichment
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-24 14:05 UTCEPSS rescore
- 2026-06-24 13:56 UTCGHSA enrichment
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-23 11:35 UTCGHSA enrichment
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 05:19 UTCGHSA enrichment
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-20 21:35 UTCGHSA enrichment
- 2026-06-19 19:47 UTCGHSA enrichment
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-18 19:23 UTCGHSA enrichment
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-17 17:53 UTCEPSS rescore
- 2026-06-17 17:08 UTCGHSA enrichment
- 2026-06-16 17:52 UTCEPSS rescore
- 2026-06-16 16:06 UTCGHSA enrichment
- 2026-06-15 17:48 UTCEPSS rescore
- 2026-06-15 15:43 UTCGHSA enrichment
- 2026-06-14 23:18 UTCEPSS rescore
- 2026-06-14 15:19 UTCGHSA enrichment
- 2026-06-13 23:00 UTCEPSS rescore
- 2026-06-13 23:00 UTCEPSS rescore
- 2026-06-13 14:55 UTCGHSA enrichment
- 2026-06-12 23:12 UTCEPSS rescore
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-11788?
When was CVE-2026-11788 disclosed?
Is CVE-2026-11788 actively exploited?
What is the CVSS score of CVE-2026-11788?
How do I remediate CVE-2026-11788?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-11788
Is Your Infrastructure Affected by CVE-2026-11788?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.