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Vulnerability details: VCID-zqh4-yaua-zqb3
Vulnerability ID VCID-zqh4-yaua-zqb3
Aliases CVE-2010-0434
Summary A flaw in the core subrequest process code was fixed, to always provide a shallow copy of the headers_in array to the subrequest, instead of a pointer to the parent request's array as it had for requests without request bodies. This meant all modules such as mod_headers which may manipulate the input headers for a subrequest would poison the parent request in two ways, one by modifying the parent request, which might not be intended, and second by leaving pointers to modified header fields in memory allocated to the subrequest scope, which could be freed before the main request processing was finished, resulting in a segfault or in revealing data from another request on threaded servers, such as the worker or winnt MPMs.
Status Published
Exploitability 0.5
Weighted Severity 2.1
Risk 1.1
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
No exploits are available.
Exploit Prediction Scoring System (EPSS)
Percentile 0.86353
EPSS Score 0.0313
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:52.325467+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2010-0434.json 37.0.0