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{"acknowledgement": "Red Hat would like to thank the libssh2 project for reporting this issue. Upstream acknowledges Chris Coulson (Canonical Ltd.) as the original reporter.", "bugzilla": {"description": "libssh2: Unchecked use of _libssh2_packet_require and _libssh2_packet_requirev resulting in out-of-bounds read", "id": "1687307", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1687307"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.0", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.", "An out of bounds read flaw was discovered in libssh2 in the _libssh2_packet_require and _libssh2_packet_requirev functions. A remote attacker who compromises a SSH server may be able to cause a denial of service or read data in the client memory."], "name": "CVE-2019-3859", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "libssh2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "libssh2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "virt:rhel/libssh2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Will not fix", "package_name": "virt:8.0.0/libssh2", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "impact": "low", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Will not fix", "impact": "low", "package_name": "rhvm-appliance", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-03-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-3859\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-3859\nhttps://www.libssh2.org/CVE-2019-3859.html"], "statement": "This flaw was present in libssh2 packages included in Red Hat Virtualization Hypervisor and Management Appliance, however libssh2 in these hosts is never exposed to malicious clients or servers.", "threat_severity": "Moderate", "upstream_fix": "libssh2 1.8.1"}