DEBIAN-CVE-2016-0787

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Source
https://security-tracker.debian.org/tracker/CVE-2016-0787
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2016-0787.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2016-0787
Upstream
Published
2016-04-13T17:59:10Z
Modified
2025-09-25T22:40:49Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

The diffiehellmansha256 function in kex.c in libssh2 before 1.7.0 improperly truncates secrets to 128 or 256 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."

References

Affected packages

Debian:11 / libssh2

Package

Name
libssh2
Purl
pkg:deb/debian/libssh2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.0-2.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / libssh2

Package

Name
libssh2
Purl
pkg:deb/debian/libssh2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.0-2.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libssh2

Package

Name
libssh2
Purl
pkg:deb/debian/libssh2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.0-2.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libssh2

Package

Name
libssh2
Purl
pkg:deb/debian/libssh2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.0-2.1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}