#VU115177 Double free in libssh - CVE-2014-8132
Published: September 12, 2025
Vulnerability identifier: #VU115177
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-8132
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libssh
libssh
Software vendor:
libssh
libssh
Description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the ssh_packet_kexinit() function in kex.c. A remote user can pass specially crafted data to the application, trigger a double free error and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.
External links
- http://advisories.mageia.org/MGASA-2015-0014.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147367.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147452.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147464.html
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00007.html
- http://secunia.com/advisories/60838
- http://www.debian.org/security/2016/dsa-3488
- http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:020
- http://www.ubuntu.com/usn/USN-2478-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1158089
- https://security.gentoo.org/glsa/201606-12