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CVE-2026-14940

A heap-buffer-overflow flaw was found in 389 Directory Server (389-ds-base). When normalizing a Distinguished Name (DN) that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name (RDN), the server can write past the end of a heap allocation while sorting RDN attribute-value pairs. An unauthenticated remote attacker can trigger this condition by sending an LDAP operation whose DN reaches the DN normalization routine, such as a search with a crafted base DN. This
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eea6d3e1d2d09264882897176d9479e88915025e5110d2ddca990b8b0540739c
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:/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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"389-ds:1.4/389-ds-base","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/6

{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/5

{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/3

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/4

{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/0

{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/7

{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/1

Affected products and versions

8 source assertions
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"389-ds:1.4/389-ds-base","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/6
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/5
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"389-ds-base","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/4
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/0
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/7
{"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:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /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-2026-14940"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /containers/cna/references/0
{"name":"RHBZ#2497697","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497697"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a4ed9233d3da0f4a66042ebed8e36d1078afa4220430fee4d7309f142bd8e6bb · sha256:573d7c6879c93768… · /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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