CVE-2015-3153
curl: sensitive HTTP server headers also sent to proxies
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Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · April 29, 2015
Updated · November 21, 2025
Description
The default configuration for cURL and libcurl before 7.42.1 sends custom HTTP headers to both the proxy and destination server, which might allow remote proxy servers to obtain sensitive information by reading the header contents.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:P/I:N/A:N
CWE-201 · Insertion of Sensitive Information Into Sent Data