CVE-2026-81687: Uncontrolled Resource Consumption in jahlives openssl_encrypt
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.
CVE-2026-81687: Uncontrolled Resource Consumption in jahlives openssl_encrypt
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.
CVSS v4.0
Score 8.7high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-27T11:11:30.934Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a906bb5acd9273b4983a1fa
Added to database: 08/27/2026, 16:54:13 UTC
Last updated: 08/28/2026, 02:00:05 UTC
Views: 8
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