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. When processing the ASN.1 object identifier of a certificate, a sub identifier may be provided that leads to a denial of service (CPU consumption for decodeOID).
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| phpseclib/phpseclib(Packagist) | 3.0.0 | 3.0.36 | N/A |
| phpseclib/phpseclib(Packagist) | 2.0.0 | 2.0.47 | N/A |
| phpseclib/phpseclib(Packagist) | 1.0.0 | 1.0.23 | N/A |
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