What’s Vulnerable › Vulnerabilities
CVE-2020-16135
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 4.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2020-07-29 · updated 2026-06-17
- Weakness: CWE-476
Description
libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.
Affected products
- Canonical Ubuntu Linux: 16.04, 18.04, 20.04
- Debian Linux: 9.0
- Fedoraproject Fedora: 32, 33
- libssh: 0.9.4
- Oracle Communications Cloud Native Core Policy: 1.15.0
References
- https://bugs.libssh.org/T232
- https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238
- https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120
- https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/
- https://security.gentoo.org/glsa/202011-05
- https://usn.ubuntu.com/4447-1/
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://bugs.libssh.org/T232
- https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238
- https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120
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