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CVE-2026-11790

A flaw was found in 389 Directory Server. The PBKDF2-SHA256 password storage plugin does not enforce an upper bound on the iteration count extracted from stored password hashes. A privileged attacker who can modify a user's password hash can cause excessive CPU consumption during authentication, resulting in denial of service.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:050c9fa698bc1594a31dbd3a8be5fcf44ca9f20d6627ad3152a079a2ea53f3f6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:11"],"defaultStatus":"affected","packageName":"redhat-ds:11/389-ds-base","product":"Red Hat Directory Server 11","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:12"],"defaultStatus":"affected","packageName":"redhat-ds:12/389-ds-base","product":"Red Hat Directory Server 12","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/7

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:13"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Directory Server 13","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/4

Affected products and versions

8 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:11"],"defaultStatus":"affected","packageName":"redhat-ds:11/389-ds-base","product":"Red Hat Directory Server 11","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:12"],"defaultStatus":"affected","packageName":"redhat-ds:12/389-ds-base","product":"Red Hat Directory Server 12","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/7
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:directory_server:13"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Directory Server 13","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/affected/4

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-11790"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/references/0
{"name":"RHBZ#2485421","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2485421"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:34478adfdc075edb07d4d1dc035108814a0ee9cee9c3bb3b53d8665b0998abc0 · sha256:ebaa261e8a27da5a… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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