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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2024-2757

HIGH 7.5 CVSS 3.1
Published
April 29, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@php.net
Weakness
CWE-400
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

In PHP 8.3.* before 8.3.5, function mb_encode_mimeheader() runs endlessly for some inputs that contain long strings of non-space characters followed by a space. This could lead to a potential DoS attack if a hostile user sends data to an application that uses this function.

Affected products and versions

  • PHP — From 8.3.0 (including) to 8.3.5 (excluding)

References

  • www.openwall.com http://www.openwall.com/lists/oss-security/2024/04/12/11 Mailing List
  • github.com https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq Exploit, Vendor Advisory
  • security.netapp.com https://security.netapp.com/advisory/ntap-20240510-0011/ Third Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/
  • nvd.nist.gov Official NVD record