CVE-2026-86776
Last modified
CVE-2026-86776 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| KeePass | KeePass | >= 2.35, <= 2.61.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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