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openssh: the functions order_hostkeyalgs() and list_hostkey_types() leads to double-free vulnerability

🗓️ 09 May 2023 11:16:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

OpenSSH sshd has a double-free flaw in hostkey algorithms handling exploitable by unauthenticated attackers in default configuration.

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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.2aarch64openssh8.7p1-29.el9_2openssh-8.7p1-29.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh8.7p1-29.el9_2openssh-8.7p1-29.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xopenssh8.7p1-29.el9_2openssh-8.7p1-29.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64openssh8.7p1-29.el9_2openssh-8.7p1-29.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64openssh-askpass8.7p1-29.el9_2openssh-askpass-8.7p1-29.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh-askpass8.7p1-29.el9_2openssh-askpass-8.7p1-29.el9_2.ppc64le.rpm
Red Hat Enterprise Linux9.2s390xopenssh-askpass8.7p1-29.el9_2openssh-askpass-8.7p1-29.el9_2.s390x.rpm
Red Hat Enterprise Linux9.2x86_64openssh-askpass8.7p1-29.el9_2openssh-askpass-8.7p1-29.el9_2.x86_64.rpm
Red Hat Enterprise Linux9.2aarch64openssh-askpass-debuginfo8.7p1-29.el9_2openssh-askpass-debuginfo-8.7p1-29.el9_2.aarch64.rpm
Red Hat Enterprise Linux9.2ppc64leopenssh-askpass-debuginfo8.7p1-29.el9_2openssh-askpass-debuginfo-8.7p1-29.el9_2.ppc64le.rpm
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25 Jun 2026 11:02Current
7.2High risk
Vulners AI Score7.2
CVSS 3.16.5
EPSS0.89955
SSVC
4