PT-2026-88914 · Keepass+1 · Keepass

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CVE-2026-86776

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Published

2026-08-16

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Updated

2026-09-09

CVSS v3.1

3.3

Low

VectorAV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
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.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

BDU:2026-14475
CVE-2026-86776

Affected Products

Keepass