{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-17498",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
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                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
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                                            "version_value": "n/a"
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    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server."
            }
        ]
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    "problemtype": {
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                        "value": "n/a"
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        "reference_data": [
            {
                "url": "https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480",
                "refsource": "MISC",
                "name": "https://github.com/libssh2/libssh2/blob/42d37aa63129a1b2644bf6495198923534322d64/src/packet.c#L480"
            },
            {
                "refsource": "MISC",
                "name": "https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/",
                "url": "https://blog.semmle.com/libssh2-integer-overflow-CVE-2019-17498/"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498",
                "url": "https://github.com/kevinbackhouse/SecurityExploits/tree/8cbdbbe6363510f7d9ceec685373da12e6fc752d/libssh2/out_of_bounds_read_disconnect_CVE-2019-17498"
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                "name": "FEDORA-2019-91529f19e4",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TY7EEE34RFKCTXTMBQQWWSLXZWSCXNDB/"
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            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2483",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00026.html"
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            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20191113 [SECURITY] [DLA 1991-1] libssh2 security update",
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                "refsource": "FEDORA",
                "name": "FEDORA-2019-ec04c34768",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22H4Q5XMGS3QNSA7OCL3U7UQZ4NXMR5O/"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9c",
                "url": "https://github.com/libssh2/libssh2/commit/dedcbd106f8e52d5586b0205bc7677e4c9868f9c"
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                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211217 [SECURITY] [DLA 2848-1] libssh2 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00013.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20220909-0004/",
                "url": "https://security.netapp.com/advisory/ntap-20220909-0004/"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html",
                "url": "http://packetstormsecurity.com/files/172835/libssh2-1.9.0-Out-Of-Bounds-Read.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20230908 [SECURITY] [DLA 3559-1] libssh2 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html"
            }
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}