Low severity3.3NVD Advisory· Published Sep 9, 2026· Updated Sep 10, 2026
CVE-2026-86776
CVE-2026-86776
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.
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Affected products
1Patches
Vulnerability mechanics
References
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