Detections
Analytics
GLSA-202608-17 : libssh2: Multiple Vulnerabilities
critical Nessus Plugin ID 338224
Language:
Description
The remote host is affected by the vulnerability described in GLSA-202608-17 (libssh2: Multiple Vulnerabilities)Multiple vulnerabilities have been discovered in libssh2. Please review the CVE identifiers referenced below for details.
Tenable has extracted the preceding description block directly from the Gentoo Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
All libssh2 users should upgrade to the latest version:# emerge --sync # emerge --ask --oneshot --verbose >=net-libs/libssh2-1.11.1-r2
See Also
Plugin Details
Severity: Critical
ID: 338224
File Name: gentoo_GLSA-202608-17.nasl
Version: 1.1
Type: Local
Family: Gentoo Local Security Checks
Published: 8/20/2026
Updated: 8/20/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.5
Percentile: 98.36
CVSS v2
Risk Factor: High
Base Score: 7.5
Temporal Score: 5.9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2026-7598
CVSS v3
Risk Factor: High
Base Score: 8.3
Temporal Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2026-55200
CVSS v4
Risk Factor: Critical
Base Score: 9.2
Threat Score: 7.2
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score Source: CVE-2026-55200
Vulnerability Information
CPE: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:libssh2
Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 8/20/2026
Vulnerability Publication Date: 5/1/2026
Reference Information
CVE: CVE-2025-15661, CVE-2026-55199, CVE-2026-55200, CVE-2026-7598