Skip to content
OpenAdvisories
Medium RHSA-2024:0538 3 CVEs

Red Hat Security Advisory: libssh security update

Published Oct 1, 2024 · Updated Oct 17, 2026

Fixed packages 7

ReleasePackageFixed in
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::appstream libssh-debuginfo 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::appstream libssh-debugsource 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::appstream libssh-devel 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos libssh 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos libssh-config 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos libssh-debuginfo 0:0.9.6-4.el8_6
Red Hat · RHEL 8.6 EUS rhel_eus:8.6::baseos libssh-debugsource 0:0.9.6-4.el8_6

Vulnerabilities 3

  • Medium 5.9
    CVE-2023-48795 Public exploit Scanner template EPSS 94%

    Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin

    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…

  • Unscored —

    A NULL pointer dereference was found In libssh during re-keying with algorithm guessing. This issue may allow an authen…

  • Unscored —

    A vulnerability was found in libssh, where the authentication check of the connecting client can be bypassed in the`pki…

References

  • article
    https://access.redhat.com/security/updates/classification/#moderate
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2182199
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2189736
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2254210
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_0538.json
  • report
    https://access.redhat.com/security/cve/CVE-2023-1667
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-1667
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-1667
  • article
    http://www.libssh.org/security/advisories/CVE-2023-1667.txt
  • report
    https://access.redhat.com/security/cve/CVE-2023-2283
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-2283
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-2283
  • article
    https://www.libssh.org/security/advisories/CVE-2023-2283.txt
  • report
    https://access.redhat.com/security/cve/CVE-2023-48795
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2023-48795
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2023-48795
  • article
    https://access.redhat.com/solutions/7071748
  • article
    https://terrapin-attack.com/