CVE-2020-16135
MEDIUMlibssh 0.9.4 - Denial of Service via NULL Pointer Dereference in tftpserver.c
Title source: llmDescription
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
References (9)
Core 9
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.libssh.org/T232
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238
Third Party Advisory x_refsource_misc
https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4447-1/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202011-05
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Scores
CVSS v3
5.9
EPSS
0.0141
EPSS Percentile
80.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (8)
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
20.04
debian/debian_linux
9.0
fedoraproject/fedora
32
fedoraproject/fedora
33
libssh/libssh
0.9.4
oracle/communications_cloud_native_core_policy
1.15.0
Published
Jul 29, 2020
Tracked Since
Feb 18, 2026