VulnerabilityModified
CVE-2023-1667
This issue may allow an authenticated client to cause a denial of service.
MEDIUM 6.5EPSS 1.31%
Does this matter?
Lower severity and a low EPSS score (1.31%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.31% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- libssh/libssh · fedoraproject/fedora · debian/debian linux · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- http://www.libssh.org/security/advisories/CVE-2023-1667.txtVendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-1667Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- https://security.gentoo.org/glsa/202312-05
- http://www.libssh.org/security/advisories/CVE-2023-1667.txtVendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-1667Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2182199Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27PD44ALQTZXX7K6JAM3BXBUHYA6DFFN/
- https://security.gentoo.org/glsa/202312-05
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.