CVE-2026-81687
MEDIUM
NVD
CVSS Score
5.5
Severity
MEDIUM
Published
Aug 27, 2026
Vendor
unknown
Description
openssl_encrypt versions before 1.4.9 fail to enforce a time ceiling on key derivation function iteration counts specified in file metadata. Attackers can craft files with extremely high KDF iteration counts to consume CPU resources for unbounded periods before password verification occurs.