GHSA-3QPQ-R242-JQJ7

Vulnerability from github – Published: 2026-05-05 21:17 – Updated: 2026-05-13 16:27
VLAI?
Summary
phpseclib has a CVE-2024-27355 mitigation bypass — OID amplification DoS in ASN1::decodeOID()
Details

Impact

Anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc)

Patches

https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc

Workarounds

No.

References

https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.0.28"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "phpseclib/phpseclib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.1.1"
            },
            {
              "fixed": "1.0.29"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 2.0.53"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "phpseclib/phpseclib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.0.54"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.0.51"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "phpseclib/phpseclib"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.0.52"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-44167"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-05T21:17:57Z",
    "nvd_published_at": "2026-05-12T18:17:29Z",
    "severity": "HIGH"
  },
  "details": "### Impact\nAnyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc)\n\n### Patches\nhttps://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc\n\n### Workarounds\nNo.\n\n### References\nhttps://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc",
  "id": "GHSA-3qpq-r242-jqj7",
  "modified": "2026-05-13T16:27:00Z",
  "published": "2026-05-05T21:17:57Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/phpseclib/phpseclib/security/advisories/GHSA-3qpq-r242-jqj7"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44167"
    },
    {
      "type": "WEB",
      "url": "https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/phpseclib/phpseclib"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "phpseclib has a CVE-2024-27355 mitigation bypass \u2014 OID amplification DoS in ASN1::decodeOID()"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.