CVE-2026-44167 PUBLISHED

phpseclib: CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()

Assigner: GitHub_M
Reserved: 05.05.2026 Published: 12.05.2026 Updated: 12.05.2026

phpseclib is a PHP secure communications library. Prior to 1.0.29, 2.0.54, and 3.0.52, anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc). This is a bypass of CVE-2024-27355. This vulnerability is fixed in 1.0.29, 2.0.54, and 3.0.52.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Product Status

Vendor phpseclib
Product phpseclib
Versions
  • Version >= 3.0.0, < 3.0.52 is affected
  • Version >= 2.0.0, < 2.0.54 is affected
  • Version >= 0.1.1, < 1.0.29 is affected

References

Problem Types

  • CWE-400: Uncontrolled Resource Consumption CWE