CVE-2024-2757
HIGH7.5EPSS 0.63%PHP mb_encode_mimeheader runs endlessly for some inputs
Published: 8/11/2025Modified: 11/6/2025
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 packages (3)
- Bitnami/libphp>= 8.3.0, < 8.3.5
- Bitnami/php>= 8.3.0, < 8.3.5
- Bitnami/php-min>= 8.3.0, < 8.3.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (5)
- WEBhttps://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fq
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/
- WEBhttps://nvd.nist.gov/vuln/detail/CVE-2024-2757
- WEBhttps://security.netapp.com/advisory/ntap-20240510-0011/
- WEBhttp://www.openwall.com/lists/oss-security/2024/04/12/11