5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
8.4 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.9%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Alpine | edge-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.10-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.11-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.12-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.13-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.14-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.15-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.16-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.17-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
Alpine | 3.18-main | noarch | libssh2 | < 1.9.0-r1 | UNKNOWN |
5.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:N/A:P
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
8.4 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.9%