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CVE details

CVE-2026-7598

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

Score
6.9 medium
Published
2026-05-01
Links
NVD · cve.org

Matched ports (2)

PortPackageVersionStatusMaintainer
security/libssh2libssh21.11.1_1,3unaddressedsbz@FreeBSD.org
security/linux-c7-libssh2linux-c7-libssh21.8.0_2unaddressedemulation@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>libssh2</name>
	<range><lt>FIXME</lt></range>
      </package>
      <package>
	<name>linux-c7-libssh2</name>
	<range><lt>FIXME</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>A security vulnerability has been detected in libssh2 up to 1.11.1.
	The impacted element is the function userauth_password of the file
	src/userauth.c. Such manipulation of the argument
	username_len/password_len leads to integer overflow. The attack may be
	launched remotely. The name of the patch is
	256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to
	remediate this issue.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-7598</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-7598</url>
    </references>
    <dates>
      <discovery>2026-05-01</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>