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Vulnerability Detail

CVE-2026-86776 Verified Sceawere Triage Sources: NVD / CISA KEV

Vulnerability Metadata

Severity
Low
Score / CVSS
3.3
Creation Date
10h ago
Vendor
KeePass
Product
KeePass
Attack Type
Memory Allocation with Excessive Size Value
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack Complexity
LOW

Narrative and Response

Description

KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory allocation in the ReadHeaderField function. Attackers can craft a malicious KDBX file declaring excessive header field lengths to trigger allocation of gigabytes of memory, causing the application to consume resources and terminate.

Executive Summary

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Technical Details

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Mitigations

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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References

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Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

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Additional Metadata

{
  "score": "3.3",
  "pubDate": "2026-09-09T10:22:33.970Z",
  "pubdate": "2026-09-09T10:22:33.970Z"
}
CVE-2026-86776: CVE-2026-86776 Vulnerability (LOW Severity, CVSS: 3.3) | Sceawere