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CVE details

CVE-2026-7168

Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Proxy-Authorization:` header field meant for `proxyA`, to `proxyB`.

Score
5.3 medium
Published
2026-05-13
Links
NVD · cve.org

Affected ports (2)

PortPackageVersionStatusMaintainer
ftp/linux-c7-curllinux-c7-curl7.29.0_13unaddressedemulation@FreeBSD.org
ftp/linux-rl9-curllinux-rl9-curl7.76.1_13unaddressedemulation@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>linux-c7-curl</name>
	<range><lt>8.20.0</lt></range>
      </package>
      <package>
	<name>linux-rl9-curl</name>
	<range><lt>8.20.0</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Successfully using libcurl to do a transfer over a specific HTTP
	proxy
(`proxyA`) with **Digest** authentication and then changing the
	proxy host to
a second one (`proxyB`) for a second transfer, reusing
	the same handle, makes
libcurl wrongly pass on the
	`Proxy-Authorization:` header field meant for
`proxyA`, to `proxyB`.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-7168</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-7168</url>
    </references>
    <dates>
      <discovery>2026-05-13</discovery>
      <entry>2026-10-25</entry>
    </dates>
  </vuln>