GHSA-5r36-v86r-vm5xMediumCVSS 3.3
KeePass versions 2.35 through 2.61.1 fail to validate KDBX header field sizes before memory...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (6)
- https://nvd.nist.gov/vuln/detail/CVE-2026-86776
- https://github.com/KSecur1ty/KDBX-Header-Size-Mirage-POC
- https://keepass.info
- https://keepass.info/download.html
- https://www.vulncheck.com/advisories/keepass-2.35-through-2.61.1-memory-exhaustion-via-kdbx-header-field-size
- https://github.com/advisories/GHSA-5r36-v86r-vm5x