PHP mb_encode_mimeheader runs endlessly for some inputs
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-2757US | — | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2024/04/12/11DISCUSSION
- https://github.com/php/php-src/security/advisories/GHSA-fjp9-9hwx-59fqADVISORY
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/WEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-2757WEB
- https://security.netapp.com/advisory/ntap-20240510-0011/ADVISORY
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