CVE-2015-3236

curl: lingering HTTP credentials in connection re-use

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Severity

Low

Red Hat Product Security

2.6

CVSS 2.0

Review impact separately from score.

Published · June 17, 2015

Updated · November 21, 2025

Description

cURL and libcurl 7.40.0 through 7.42.1 send the HTTP Basic authentication credentials for a previous connection when reusing a reset (curl_easy_reset) connection handle to send a request to the same host name, which allows remote attackers to obtain sensitive information via unspecified vectors.

Statement

This issue did not affect the versions of curl as shipped with Red Hat Enterprise Linux 5, 6, and 7.

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 · 2.6
AV:N/AC:H/Au:N/C:P/I:N/A:N

CWE-201 · Insertion of Sensitive Information Into Sent Data