An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade libssh2 | Mar 22, 2019 | Mar 21, 2019 |
| Amazon Linux Ami 2 | — | Upgrade libssh2-develUpgrade libssh2Upgrade libssh2-debuginfoUpgrade libssh2-docs | Apr 27, 2020 | Mar 21, 2019 |
| Amazon_linux | — | Upgrade libssh2 | Aug 13, 2019 | Mar 19, 2019 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 21, 2019 |
| Centos_linux | — | Upgrade nbdkit-debuginfoUpgrade python3-hivex-debuginfoUpgrade libvirt-develUpgrade qemu-kvm-block-curl-debuginfoUpgrade qemu-kvm-core-debuginfoUpgrade sgabios-binUpgrade ruby-hivex-debuginfoUpgrade qemu-kvm-block-curlUpgrade libguestfs-toolsUpgrade qemu-kvm-common-debuginfoUpgrade libvirt-adminUpgrade libvirt-daemon-debuginfoUpgrade libvirt-daemon-driver-nwfilterUpgrade seavgabios-binUpgrade libvirt-daemon-driver-networkUpgrade python3-libguestfs-debuginfoUpgrade perl-Sys-Virt-debuginfoUpgrade libguestfs-man-pages-ukUpgrade nbdkit-plugin-gzip-debuginfoUpgrade netcfUpgrade nbdkit-plugin-xzUpgrade seabios-binUpgrade libvirt-docsUpgrade python3-libvirt-debuginfoUpgrade qemu-kvmUpgrade libvirt-daemon-driver-nwfilter-debuginfoUpgrade libvirt-daemon-driver-storage-iscsiUpgrade qemu-kvm-commonUpgrade libguestfs-xfsUpgrade qemu-kvm-block-iscsi-debuginfoUpgrade supermin-debuginfoUpgrade nbdkit-example-pluginsUpgrade virt-v2vUpgrade nbdkit-plugin-python3-debuginfoUpgrade virt-dibUpgrade python3-libvirtUpgrade qemu-kvm-block-gluster-debuginfoUpgrade libssh2Upgrade ruby-hivexUpgrade libvirt-daemon-driver-storage-gluster-debuginfoUpgrade libguestfs-gfs2Upgrade netcf-libsUpgrade lua-guestfsUpgrade libguestfs-debugsourceUpgrade qemu-kvm-block-glusterUpgrade libguestfs-benchmarkingUpgrade libguestfs-javaUpgrade nbdkit-plugin-xz-debuginfoUpgrade libvirt-clientUpgrade libvirt-dbusUpgrade libvirt-daemon-driver-secretUpgrade seabiosUpgrade libguestfs-java-debuginfoUpgrade libguestfs-tools-c-debuginfoUpgrade libvirt-daemon-driver-storageUpgrade libvirt-daemon-driver-storage-logical-debuginfoUpgrade nbdkit-plugin-python3Upgrade supermin-develUpgrade libvirt-dbus-debuginfoUpgrade libvirt-nssUpgrade python3-hivexUpgrade libguestfs-javadocUpgrade libiscsi-develUpgrade perl-Sys-VirtUpgrade hivex-develUpgrade qemu-kvm-block-rbd-debuginfoUpgrade libssh2-docsUpgrade perl-hivex-debuginfoUpgrade virt-p2v-makerUpgrade ruby-libguestfs-debuginfoUpgrade libvirt-daemon-config-networkUpgrade hivex-debuginfoUpgrade libvirt-nss-debuginfoUpgrade libguestfs-bash-completionUpgrade libvirt-daemon-driver-qemuUpgrade nbdkit-example-plugins-debuginfoUpgrade libvirt-libs-debuginfoUpgrade libvirt-daemon-driver-storage-rbdUpgrade perl-hivexUpgrade perl-Sys-Virt-debugsourceUpgrade libvirt-daemon-kvmUpgrade libvirt-daemon-driver-interfaceUpgrade libvirt-daemonUpgrade hivex-debugsourceUpgrade superminUpgrade nbdkit-plugin-vddkUpgrade libiscsi-debuginfoUpgrade libguestfs-inspect-iconsUpgrade libvirt-admin-debuginfoUpgrade libvirt-daemon-driver-network-debuginfoUpgrade libvirt-daemon-config-nwfilterUpgrade libvirt-daemon-driver-interface-debuginfoUpgrade libvirt-daemon-driver-storage-core-debuginfoUpgrade sgabiosUpgrade perl-Sys-Guestfs-debuginfoUpgrade nbdkit-develUpgrade nbdkit-plugin-vddk-debuginfoUpgrade libvirt-lock-sanlock-debuginfoUpgrade libvirt-dbus-debugsourceUpgrade libvirt-daemon-driver-storage-scsiUpgrade libvirt-daemon-driver-nodedevUpgrade libguestfs-debuginfoUpgrade ruby-libguestfsUpgrade libvirt-daemon-driver-storage-mpathUpgrade libiscsiUpgrade libiscsi-utilsUpgrade qemu-guest-agent-debuginfoUpgrade libvirt-client-debuginfoUpgrade nbdkitUpgrade libguestfs-rsyncUpgrade libguestfs-gobject-debuginfoUpgrade qemu-kvm-block-iscsiUpgrade qemu-kvm-coreUpgrade supermin-debugsourceUpgrade python3-libguestfsUpgrade qemu-kvm-block-sshUpgrade libguestfs-winsupportUpgrade libguestfs-tools-cUpgrade libguestfs-man-pages-jaUpgrade nbdkit-debugsourceUpgrade libvirt-debugsourceUpgrade nbdkit-plugin-python-commonUpgrade lua-guestfs-debuginfoUpgrade libvirt-daemon-driver-storage-logicalUpgrade qemu-guest-agentUpgrade netcf-debuginfoUpgrade libvirt-daemon-driver-storage-diskUpgrade nbdkit-plugin-gzipUpgrade perl-Sys-GuestfsUpgrade nbdkit-basic-pluginsUpgrade qemu-img-debuginfoUpgrade virt-v2v-debuginfoUpgrade qemu-kvm-block-rbdUpgrade netcf-debugsourceUpgrade libguestfs-java-develUpgrade libvirt-debuginfoUpgrade hivexUpgrade nbdkit-basic-plugins-debuginfoUpgrade libvirt-daemon-driver-storage-coreUpgrade virt-dib-debuginfoUpgrade qemu-kvm-debugsourceUpgrade libvirt-daemon-driver-storage-glusterUpgrade libiscsi-debugsourceUpgrade libguestfs-benchmarking-debuginfoUpgrade libvirt-bash-completionUpgrade libvirt-daemon-driver-storage-disk-debuginfoUpgrade libvirt-libsUpgrade libvirt-lock-sanlockUpgrade libvirt-daemon-driver-qemu-debuginfoUpgrade libguestfs-gobject-develUpgrade libvirt-daemon-driver-storage-scsi-debuginfoUpgrade libvirt-daemon-driver-nodedev-debuginfoUpgrade libvirt-daemon-driver-secret-debuginfoUpgrade libvirt-daemon-driver-storage-mpath-debuginfoUpgrade libvirt-daemon-driver-storage-iscsi-debuginfoUpgrade qemu-imgUpgrade libiscsi-utils-debuginfoUpgrade libguestfs-rescueUpgrade qemu-kvm-debuginfoUpgrade libguestfs-gobjectUpgrade libssh2-debugsourceUpgrade libvirt-daemon-driver-storage-rbd-debuginfoUpgrade libvirtUpgrade libssh2-debuginfoUpgrade libguestfsUpgrade nbdkit-bash-completionUpgrade netcf-libs-debuginfoUpgrade netcf-develUpgrade qemu-kvm-block-ssh-debuginfoUpgrade libssh2-develUpgrade libguestfs-devel | Apr 3, 2019 | Mar 19, 2019 |
| Debian | — | Upgrade libssh2 | Mar 27, 2019 | Mar 21, 2019 |
| Freebsd | — | Upgrade linux-c6-libssh2Upgrade linux-c7-libssh2Upgrade libssh2 | Jul 8, 2019 | Apr 18, 2019 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libssh2 | May 1, 2019 | Mar 21, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libssh2 | May 1, 2019 | Mar 21, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libssh2 | May 1, 2019 | Mar 21, 2019 |
| Oracle Solaris | — | Upgrade library/libssh2 to version 1.8.2-11.4.11.0.1.1.0 on Solaris 11.4 | Jul 17, 2019 | Mar 21, 2019 |
| Oracle_linux | — | Upgrade virt-p2v-makerUpgrade libguestfs-gobject-develUpgrade libiscsiUpgrade qemu-kvmUpgrade libvirt-daemon-config-nwfilterUpgrade supermin-develUpgrade nbdkit-plugin-vddkUpgrade nbdkit-bash-completionUpgrade libguestfs-java-develUpgrade nbdkit-plugin-python3Upgrade libguestfs-gobjectUpgrade ruby-hivexUpgrade libiscsi-develUpgrade libvirt-daemon-driver-storageUpgrade libguestfs-benchmarkingUpgrade libvirt-daemon-driver-storage-mpathUpgrade libvirt-daemon-config-networkUpgrade libvirt-daemon-kvmUpgrade libguestfs-javadocUpgrade qemu-kvm-coreUpgrade libvirt-develUpgrade netcf-libsUpgrade libguestfs-winsupportUpgrade libvirt-lock-sanlockUpgrade libvirt-adminUpgrade libssh2Upgrade libguestfs-tools-cUpgrade python3-libvirtUpgrade hivex-develUpgrade perl-Sys-VirtUpgrade libguestfsUpgrade nbdkit-example-pluginsUpgrade qemu-imgUpgrade netcfUpgrade libvirt-daemon-driver-storage-logicalUpgrade libguestfs-man-pages-ukUpgrade virt-dibUpgrade seabios-binUpgrade libvirt-daemon-driver-storage-diskUpgrade libguestfs-develUpgrade libvirt-docsUpgrade libguestfs-man-pages-jaUpgrade sgabios-binUpgrade libvirt-daemon-driver-interfaceUpgrade qemu-kvm-block-iscsiUpgrade libguestfs-rsyncUpgrade libvirt-daemon-driver-storage-iscsiUpgrade libvirt-dbusUpgrade libvirt-daemon-driver-storage-glusterUpgrade nbdkit-plugin-gzipUpgrade libvirt-daemon-driver-nwfilterUpgrade libvirt-libsUpgrade libguestfs-javaUpgrade nbdkitUpgrade libvirt-daemon-driver-secretUpgrade qemu-kvm-block-rbdUpgrade nbdkit-develUpgrade libvirt-daemon-driver-qemuUpgrade perl-hivexUpgrade qemu-guest-agentUpgrade perl-Sys-GuestfsUpgrade qemu-kvm-block-sshUpgrade libguestfs-inspect-iconsUpgrade qemu-kvm-block-curlUpgrade libiscsi-utilsUpgrade netcf-develUpgrade libvirt-daemon-driver-storage-scsiUpgrade libvirt-daemon-driver-storage-coreUpgrade libssh2-docsUpgrade ruby-libguestfsUpgrade libguestfs-toolsUpgrade libvirt-nssUpgrade python3-hivexUpgrade nbdkit-plugin-xzUpgrade nbdkit-plugin-python-commonUpgrade libguestfs-gfs2Upgrade libvirt-clientUpgrade seavgabios-binUpgrade nbdkit-basic-pluginsUpgrade sgabiosUpgrade libssh2-develUpgrade python3-libguestfsUpgrade hivexUpgrade qemu-kvm-commonUpgrade libvirt-daemon-driver-nodedevUpgrade superminUpgrade virt-v2vUpgrade libvirt-daemon-driver-storage-rbdUpgrade libvirt-bash-completionUpgrade qemu-kvm-block-glusterUpgrade seabiosUpgrade libvirtUpgrade libvirt-daemonUpgrade libguestfs-xfsUpgrade libvirt-daemon-driver-networkUpgrade lua-guestfsUpgrade libguestfs-rescueUpgrade libguestfs-bash-completion | Jul 3, 2019 | Mar 13, 2019 |
| Redhat_linux | — | Upgrade libvirt-lock-sanlockUpgrade python3-hivex-debuginfoUpgrade libguestfs-gobject-debuginfoUpgrade libguestfs-rsyncUpgrade sgabiosUpgrade libvirt-daemon-driver-storage-scsiUpgrade qemu-kvm-common-debuginfoUpgrade netcf-debugsourceUpgrade libvirt-daemon-driver-storage-disk-debuginfoUpgrade qemu-kvm-block-iscsiUpgrade libssh2-develUpgrade perl-Sys-Virt-debugsourceUpgrade libguestfs-benchmarking-debuginfoUpgrade libssh2-debugsourceUpgrade nbdkit-basic-plugins-debuginfoUpgrade qemu-kvm-block-curl-debuginfoUpgrade libguestfs-man-pages-ukUpgrade qemu-img-debuginfoUpgrade qemu-kvm-block-rbdUpgrade libvirt-daemon-driver-nodedev-debuginfoUpgrade nbdkit-example-pluginsUpgrade libvirt-daemon-driver-storage-scsi-debuginfoUpgrade perl-Sys-VirtUpgrade nbdkit-bash-completionUpgrade libiscsiUpgrade libvirt-debugsourceUpgrade virt-dib-debuginfoUpgrade nbdkit-debuginfoUpgrade qemu-kvm-coreUpgrade virt-v2v-debuginfoUpgrade nbdkit-plugin-vddk-debuginfoUpgrade nbdkitUpgrade python3-libguestfsUpgrade libvirt-client-debuginfoUpgrade qemu-guest-agentUpgrade libguestfs-bash-completionUpgrade libvirt-daemon-driver-storage-iscsi-debuginfoUpgrade libvirt-daemon-driver-storage-coreUpgrade qemu-kvm-block-gluster-debuginfoUpgrade libguestfs-debuginfoUpgrade libvirt-dbusUpgrade libvirt-develUpgrade libvirt-daemon-driver-storage-mpathUpgrade libvirt-dbus-debuginfoUpgrade libssh2-debuginfoUpgrade supermin-debugsourceUpgrade libguestfs-java-develUpgrade libguestfs-javaUpgrade netcf-debuginfoUpgrade libguestfs-develUpgrade netcfUpgrade libiscsi-utils-debuginfoUpgrade libvirt-libsUpgrade sgabios-binUpgrade libguestfs-winsupportUpgrade supermin-debuginfoUpgrade qemu-kvm-debuginfoUpgrade libvirt-daemon-driver-storage-glusterUpgrade qemu-kvm-block-sshUpgrade virt-dibUpgrade ruby-libguestfs-debuginfoUpgrade libguestfs-gobjectUpgrade libvirt-bash-completionUpgrade libguestfs-tools-cUpgrade nbdkit-example-plugins-debuginfoUpgrade libvirt-adminUpgrade nbdkit-plugin-python-commonUpgrade qemu-kvm-block-curlUpgrade lua-guestfs-debuginfoUpgrade nbdkit-plugin-gzipUpgrade libguestfs-gobject-develUpgrade python3-libvirt-debuginfoUpgrade libvirt-daemonUpgrade libguestfs-man-pages-jaUpgrade nbdkit-plugin-python3Upgrade libvirt-daemon-driver-storage-mpath-debuginfoUpgrade libvirt-daemon-driver-storage-rbd-debuginfoUpgrade libiscsi-utilsUpgrade qemu-guest-agent-debuginfoUpgrade SLOFUpgrade libguestfsUpgrade libvirt-daemon-debuginfoUpgrade libvirt-daemon-driver-storageUpgrade nbdkit-basic-pluginsUpgrade libssh2-docsUpgrade qemu-kvm-block-rbd-debuginfoUpgrade libguestfs-javadocUpgrade libvirt-daemon-driver-storage-core-debuginfoUpgrade libvirt-daemon-driver-nwfilterUpgrade superminUpgrade netcf-develUpgrade libvirt-dbus-debugsourceUpgrade hivex-develUpgrade qemu-imgUpgrade libvirt-daemon-driver-nodedevUpgrade netcf-libs-debuginfoUpgrade libvirt-admin-debuginfoUpgrade python3-hivexUpgrade libvirt-clientUpgrade nbdkit-plugin-xzUpgrade supermin-develUpgrade libvirt-docsUpgrade libvirt-lock-sanlock-debuginfoUpgrade perl-Sys-Guestfs-debuginfoUpgrade libiscsi-debuginfoUpgrade libvirt-daemon-driver-storage-gluster-debuginfoUpgrade qemu-kvmUpgrade libvirt-daemon-config-nwfilterUpgrade qemu-kvm-core-debuginfoUpgrade hivex-debugsourceUpgrade libvirt-daemon-driver-storage-diskUpgrade libvirt-daemon-driver-qemuUpgrade libiscsi-develUpgrade libguestfs-rescueUpgrade libguestfs-gfs2Upgrade libvirt-daemon-driver-secret-debuginfoUpgrade libvirt-daemon-driver-storage-rbdUpgrade libvirt-daemon-driver-secretUpgrade libvirtUpgrade qemu-kvm-debugsourceUpgrade nbdkit-develUpgrade virt-v2vUpgrade libguestfs-toolsUpgrade hivexUpgrade libvirt-daemon-driver-interfaceUpgrade libvirt-daemon-driver-network-debuginfoUpgrade qemu-kvm-block-glusterUpgrade libvirt-daemon-driver-networkUpgrade libvirt-debuginfoUpgrade libguestfs-benchmarkingUpgrade libssh2Upgrade seabiosUpgrade qemu-kvm-commonUpgrade libguestfs-xfsUpgrade nbdkit-debugsourceUpgrade seavgabios-binUpgrade perl-hivex-debuginfoUpgrade libvirt-daemon-driver-interface-debuginfoUpgrade libvirt-nssUpgrade python3-libguestfs-debuginfoUpgrade perl-Sys-GuestfsUpgrade perl-Sys-Virt-debuginfoUpgrade python3-libvirtUpgrade nbdkit-plugin-python3-debuginfoUpgrade hivex-debuginfoUpgrade nbdkit-plugin-xz-debuginfoUpgrade libvirt-daemon-driver-storage-logical-debuginfoUpgrade ruby-libguestfsUpgrade qemu-kvm-block-iscsi-debuginfoUpgrade libguestfs-inspect-iconsUpgrade libvirt-libs-debuginfoUpgrade nbdkit-plugin-vddkUpgrade virt-p2v-makerUpgrade libguestfs-tools-c-debuginfoUpgrade libguestfs-debugsourceUpgrade libvirt-daemon-driver-storage-iscsiUpgrade ruby-hivexUpgrade netcf-libsUpgrade libvirt-daemon-kvmUpgrade libvirt-daemon-config-networkUpgrade libvirt-daemon-driver-nwfilter-debuginfoUpgrade nbdkit-plugin-gzip-debuginfoUpgrade ruby-hivex-debuginfoUpgrade libiscsi-debugsourceUpgrade libguestfs-java-debuginfoUpgrade libvirt-daemon-driver-qemu-debuginfoUpgrade libvirt-daemon-driver-storage-logicalUpgrade seabios-binUpgrade perl-hivexUpgrade qemu-kvm-block-ssh-debuginfoUpgrade libvirt-nss-debuginfoUpgrade lua-guestfs | Mar 29, 2019 | Mar 21, 2019 |
| Suse | — | Upgrade libssh2-1-32bitUpgrade libssh2-develUpgrade libssh2-1Upgrade libssh2-1-x86 | Mar 20, 2019 | Mar 19, 2019 |
| Ubuntu | — | Upgrade libssh2-1 (Ubuntu Pro) | Mar 22, 2023 | Mar 21, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 21, 2019 |
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