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| CVE | CVSS | EPSS | Vendor, product | Description | Modified |
|---|---|---|---|---|---|
| CVE-2026-55200exploit ×3 | 9.2 critical | 4.0% | libssh2 | libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2_transport_read() that fails to enforce upper bounds on packet_length field. Remote attackers can send crafted SSH packets with excessively large packet_length values to corrupt heap memory and achieve remote code execution. | Thu 22 Oct |
| CVE-2019-3862 | 9.1 critical | 8.0% | libssh2, fedoraproject, fedora, debian_linux | An out of bounds read flaw was discovered in libssh2 before 1.8.1 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. | 14 Oct |
| CVE-2019-3859 | 9.1 critical | 6.0% | libssh2, fedoraproject, fedora, debian_linux | 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. | 14 Oct |
| CVE-2019-3858 | 9.1 critical | 6.0% | libssh2, fedoraproject, fedora, debian_linux | An out of bounds read flaw was discovered in libssh2 before 1.8.1 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. | 14 Oct |
| CVE-2019-3861 | 9.1 critical | 5.0% | libssh2, debian, debian_linux, ontap_select_deploy_administration_utility | An out of bounds read flaw was discovered in libssh2 before 1.8.1 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. | 14 Oct |
| CVE-2019-3860 | 9.1 critical | 5.0% | libssh2, debian, debian_linux, ontap_select_deploy_administration_utility | An out of bounds read flaw was discovered in libssh2 before 1.8.1 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. | 14 Oct |
6 of 6
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EPSS scores: 2026-10-28. NVD cursor: 2026-10-29 00:22. The News page shows only notable CVEs (KEV, your stack, new criticals, EPSS over 50%, or active exploitation per SSVC); this table has all of them.