MEDIUM 5.8 NVD
CVE-2026-93682
When the HTTP stream wrapper follows a redirect and the response carries a Location header with an empty value, the redirect code reads one byte past the end of
When the HTTP stream wrapper follows a redirect and the response carries a Location header with an empty value, the redirect code reads one byte past the end of the heap buffer holding the location. The value of that out-of-bounds byte decides which redirect target is built, so a malicious server controls whether the client is sent to the host root or to the current directory.
References
- https://github.com/php/php-src/security/advisories/GHSA-7875-c8px-7q5f
- https://github.com/php/php-src/security/advisories/GHSA-7875-c8px-7q5f
This medium severity vulnerability with a CVSS score of 5.8 was published on 2026-09-25 via NVD.
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