Description
In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some functions, including urldecode(), pass signed char to ctype functions (like isxdigit()). On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can lead to accessing array with negative offset, which can trigger a denial of service.
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| libphp | — | — |
| php | — | — |
| php-min | — | — |
| unknown | — | — |
References
Similar Threats
- Critical CVE-2020-7059
- Critical CVE-2020-7060
- Critical CVE-2020-7061
- High CVE-2020-7062
- Medium CVE-2020-7063
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