All vulnerabilities

Servers and applications

CVE-2023-48795

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted (from the extension negotiation message), and a client and server may consequently end up with a connection for which some security features have been downgraded or disabled, aka a Terrapin attack. This…

Severity
Medium 5.9
Published
18 Dec 2023
Last changed
15 Oct 2026
Added to UpHeron
16 Oct 2026
Fixed in
9.6, 22.3.4.27, 23.3.4.20, 24.3.4.15, 25.3.2.8, 26.2.1
Sources
NVD

Affected software

SoftwareAffected versions
Erlang/OTPServers and applications · cpe:a:erlang:erlang\/otp
  • Every version before 22.3.4.27
  • From 23.0 before 23.3.4.20
  • From 24.0 before 24.3.4.15
  • From 25.0 before 25.3.2.8
  • From 26.0 before 26.2.1
OpenSSHServers and applications · cpe:a:openbsd:openssh
  • Every version before 9.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-48795
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-48795