CVE-2026-81687

jahlives openssl_encrypt

Published 27 Aug 2026 · updated 23 Sept 2026 · Deferred

8.7 High · CVSS 4.0, vulncheck.com

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.

References