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Package details: pkg:deb/debian/libssh2@1.4.2-1.1%2Bdeb7u2
purl pkg:deb/debian/libssh2@1.4.2-1.1%2Bdeb7u2
Next non-vulnerable version 1.9.0-2+deb11u1
Latest non-vulnerable version 1.9.0-2+deb11u1
Risk 4.5
Vulnerabilities affecting this package (14)
Vulnerability Summary Fixed by
VCID-97nz-s1q6-x3fc
Aliases:
CVE-2019-3861
Out-of-bounds Read An out-of-bounds read flaw was discovered in libssh2 in the way SSH packets with a padding length value greater than the packet length are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-bcba-qntz-gkez
Aliases:
CVE-2019-3863
Out-of-bounds Write A flaw was found in libssh2 A server could send a multiple keyboard interactive response messages whose total length are greater than unsigned char max characters. This value is used as an index to copy memory causing in an out-of-bounds memory write error.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-chdt-29cx-dyas
Aliases:
CVE-2015-1782
Improper Input Validation The kex_agree_methods function in libssh2 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.
1.4.3-4.1
Affected by 13 other vulnerabilities.
VCID-cmy6-8sjv-n3h1
Aliases:
CVE-2016-0787
Exposure of Sensitive Information to an Unauthorized Actor The diffie_hellman_sha256 function in kex.c in libssh2 improperly truncates secrets to bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug."
1.4.3-4.1+deb8u1
Affected by 13 other vulnerabilities.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
VCID-f1me-9vqd-j7f6
Aliases:
CVE-2019-3855
Out-of-bounds Write An integer overflow flaw which could lead to an out-of-bounds write was discovered in libssh2 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.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-grd5-zwxv-cqfw
Aliases:
CVE-2019-17498
libssh2: integer overflow in SSH_MSG_DISCONNECT logic in packet.c
1.9.0-2+deb11u1
Affected by 0 other vulnerabilities.
VCID-gv2u-298u-jkcv
Aliases:
CVE-2019-3859
Out-of-bounds Read 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.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-jp7j-dwbq-zkgk
Aliases:
CVE-2019-13115
libssh2: integer overflow in kex_method_diffie_hellman_group_exchange_sha256_key_exchange in kex.c leads to out-of-bounds write
1.9.0-2+deb11u1
Affected by 0 other vulnerabilities.
VCID-k1js-k8q3-ekb2
Aliases:
CVE-2019-3860
Out-of-bounds Read An out-of-bounds read flaw was discovered in libssh2 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-mevw-g6yq-eqa8
Aliases:
CVE-2019-3857
Out-of-bounds Write An integer overflow flaw which could lead to an out-of-bounds write was discovered in libssh2 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. 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.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-qjzc-2hvn-2qg3
Aliases:
CVE-2019-3856
Out-of-bounds Write An integer overflow flaw, which could lead to an out-of-bounds write, was discovered in libssh2 in the way keyboard prompt requests are parsed. 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.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-rv81-jwkz-w7b5
Aliases:
CVE-2019-3858
Out-of-bounds Read An out-of-bounds read flaw was discovered in libssh2 when a specially crafted SFTP packet is received from the server. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-sy5b-nfqk-6ucm
Aliases:
CVE-2019-3862
Out-of-bounds Read An out-of-bounds read flaw was discovered in libssh2 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.
1.7.0-1+deb9u1
Affected by 12 other vulnerabilities.
1.8.0-2.1
Affected by 3 other vulnerabilities.
VCID-wka6-6yn3-ubb1
Aliases:
CVE-2020-22218
libssh2: use-of-uninitialized-value in _libssh2_transport_read
1.9.0-2+deb11u1
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (2)
Vulnerability Summary Aliases
VCID-chdt-29cx-dyas Improper Input Validation The kex_agree_methods function in libssh2 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet. CVE-2015-1782
VCID-cmy6-8sjv-n3h1 Exposure of Sensitive Information to an Unauthorized Actor The diffie_hellman_sha256 function in kex.c in libssh2 improperly truncates secrets to bits, which makes it easier for man-in-the-middle attackers to decrypt or intercept SSH sessions via unspecified vectors, aka a "bits/bytes confusion bug." CVE-2016-0787

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T01:10:42.095999+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-16T00:02:06.511854+00:00 Debian Oval Importer Affected by VCID-wka6-6yn3-ubb1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T21:30:52.446839+00:00 Debian Oval Importer Affected by VCID-grd5-zwxv-cqfw https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T21:22:40.997098+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T20:56:50.952941+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T19:44:47.962858+00:00 Debian Oval Importer Affected by VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T19:39:08.736681+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T18:38:34.959300+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T16:52:25.383784+00:00 Debian Oval Importer Affected by VCID-jp7j-dwbq-zkgk https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T16:17:16.999444+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T16:11:27.102251+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T16:03:07.085739+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T15:41:02.723135+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T15:20:50.618138+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.4.0
2026-04-15T14:40:03.292501+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:34:10.058140+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:30:03.052413+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:26:53.144951+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:20:21.697578+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:17:35.514941+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:17:29.075261+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:16:03.010281+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T14:08:57.999427+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.4.0
2026-04-15T13:39:53.797194+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-jessie.xml.bz2 38.4.0
2026-04-15T13:19:14.679931+00:00 Debian Oval Importer Fixing VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.4.0
2026-04-15T13:11:15.859316+00:00 Debian Oval Importer Fixing VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.4.0
2026-04-12T00:42:34.058884+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T23:36:13.553168+00:00 Debian Oval Importer Affected by VCID-wka6-6yn3-ubb1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T21:09:56.551203+00:00 Debian Oval Importer Affected by VCID-grd5-zwxv-cqfw https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T21:02:10.849923+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T20:37:13.115705+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T19:27:14.070841+00:00 Debian Oval Importer Affected by VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T19:21:46.395526+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T18:23:07.740546+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T16:39:09.622698+00:00 Debian Oval Importer Affected by VCID-jp7j-dwbq-zkgk https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T16:04:37.465584+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T15:58:53.799062+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T15:50:41.017089+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T15:28:52.161410+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T15:09:06.954239+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.3.0
2026-04-11T14:28:20.671602+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:22:27.491581+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:18:21.678174+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:15:13.174444+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:08:46.697127+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:06:06.516806+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:05:59.841149+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T14:04:34.533093+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T13:57:31.926536+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.3.0
2026-04-11T13:28:36.641529+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-jessie.xml.bz2 38.3.0
2026-04-11T13:07:59.156670+00:00 Debian Oval Importer Fixing VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.3.0
2026-04-11T12:59:59.602227+00:00 Debian Oval Importer Fixing VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.3.0
2026-04-09T00:12:22.011732+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T23:08:51.850322+00:00 Debian Oval Importer Affected by VCID-wka6-6yn3-ubb1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T20:48:56.829164+00:00 Debian Oval Importer Affected by VCID-grd5-zwxv-cqfw https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T20:41:27.223747+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T20:17:18.375471+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T19:10:46.372084+00:00 Debian Oval Importer Affected by VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T19:05:29.742712+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T18:09:06.101396+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T16:29:47.233765+00:00 Debian Oval Importer Affected by VCID-jp7j-dwbq-zkgk https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T15:57:25.152841+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T15:51:59.936010+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T15:44:06.453807+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T15:23:12.492521+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T15:04:14.326791+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.1.0
2026-04-08T13:07:14.857886+00:00 Debian Oval Importer Fixing VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.1.0
2026-04-07T23:01:44.564538+00:00 Debian Oval Importer Affected by VCID-97nz-s1q6-x3fc https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:56:02.023113+00:00 Debian Oval Importer Affected by VCID-rv81-jwkz-w7b5 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:52:05.310954+00:00 Debian Oval Importer Affected by VCID-sy5b-nfqk-6ucm https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:49:01.662350+00:00 Debian Oval Importer Affected by VCID-mevw-g6yq-eqa8 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:42:48.017359+00:00 Debian Oval Importer Affected by VCID-qjzc-2hvn-2qg3 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:40:10.510286+00:00 Debian Oval Importer Affected by VCID-bcba-qntz-gkez https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:40:00.558826+00:00 Debian Oval Importer Affected by VCID-k1js-k8q3-ekb2 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:38:43.373002+00:00 Debian Oval Importer Affected by VCID-gv2u-298u-jkcv https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:32:14.556199+00:00 Debian Oval Importer Affected by VCID-f1me-9vqd-j7f6 https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.1.0
2026-04-07T22:04:21.209481+00:00 Debian Oval Importer Affected by VCID-cmy6-8sjv-n3h1 https://www.debian.org/security/oval/oval-definitions-jessie.xml.bz2 38.1.0
2026-04-07T21:34:54.738908+00:00 Debian Oval Importer Fixing VCID-chdt-29cx-dyas https://www.debian.org/security/oval/oval-definitions-wheezy.xml.bz2 38.1.0