CVEvulnerability
CVE-2023-1667
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
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.
Affected configurations
• libssh libssh (>= 0.9.1 <= 0.9.6)
• libssh libssh (>= 0.10.0 <= 0.10.4)
• fedoraproject fedora 37
• debian debian linux 10.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- http://www.libssh.org/security/advisories/CVE-2023-1667.txt Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-1667 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202312-05 security.gentoo.org
- http://www.libssh.org/security/advisories/CVE-2023-1667.txt Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-1667 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199 Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202312-05 security.gentoo.org