Vulnerability Monitor

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CVE-2024-2757

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.

Published

2024-04-29T04:15:08.113

Last Modified

2025-06-18T21:11:40.787

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Primary
NVD-CWE-noinfo
Type: Secondary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	php	php	< 8.3.5	Yes

References

http://www.openwall.com/lists/oss-security/2024/04/12/11 Mailing List ([email protected])
https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq Exploit, Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20240510-0011/ Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2024/04/12/11 Mailing List (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20240510-0011/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)