An issue was discovered in phpseclib 1.x before 1.0.23, 2.x before 2.0.47, and 3.x before 3.0.36. An attacker can construct a malformed certificate containing an extremely large prime to cause a denial of service (CPU consumption for an isPrime primality check). NOTE: this issue was introduced when attempting to fix CVE-2023-27560.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| phpseclib/phpseclib(Packagist) | 1.0.0 | 1.0.23 | N/A |
| phpseclib/phpseclib(Packagist) | 2.0.0 | 2.0.47 | N/A |
| phpseclib/phpseclib(Packagist) | 3.0.0 | 3.0.36 | N/A |
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