| Package | Affected versions | Patched versions |
|---|---|---|
| openssl-encrypt | < 1.4.9 | 1.4.9 |
| openssl encrypt | < 1.4.9 | 1.4.9 |
openssl_encrypt versions before 1.4.9 fail to properly validate key derivation function costs in crafted files, allowing attackers to trigger unbounded memory and CPU exhaustion during pre-authentication processing. Attackers can supply malicious files with excessive KDF parameters to exhaust system resources and crash or wedge the process before password verification occurs.
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