CVE-2023-1667
Not scored
CVE-2023-1667
A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.
Exploit probability
1.3%
Published
May 26, 2023
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2023-1667
View original source
A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authenticated client to cause a denial of service.
05 / REFERENCES
Further evidence
- http://www.libssh.org/security/advisories/CVE-2023-1667.txt
- https://access.redhat.com/security/cve/CVE-2023-1667
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1667.json
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- https://nvd.nist.gov/vuln/detail/CVE-2023-1667
- https://security.gentoo.org/glsa/202312-05