medium5.5
CVE-2026-81687
openssl_encrypt versions before 1.4.9 fail to enforce a time ceiling on key derivation function iteration counts specified in file metadata.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Openssl Encrypt | before 1.4.9 |
Versions were read from the advisory text. No structured product data has been published for this record yet.