Skip to main content

Over 150 LLM Providers · Over 5,300 Models The most extensible AI-powered pentesting platform. Open source. Star on GitHub

Libssh2

10 known vulnerabilities

7
HIGH
3
MEDIUM

Top Products

libssh2 10
10 CVEs
7.5
CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that a

7.5
CVE-2026-66034

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious S

7.5
CVE-2026-66033

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ss

8.8
CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftp_open() function in src

6.5
CVE-2026-58051

libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before parsin

7.0
CVE-2026-58050

libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses

6.5
CVE-2025-15661

libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftp_symlink()

8.1
CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() t

5.9
CVE-2026-55199

libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SS

7.3
CVE-2026-7598

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_passwo

Frequently Asked Questions

How many CVEs affect Libssh2?

Libssh2 has 10 CVE records in our database, including 0 critical and 7 high severity vulnerabilities.

What are the most severe Libssh2 vulnerabilities?

Libssh2 has 0 critical severity (CVSS 9.0+) and 7 high severity (CVSS 7.0-8.9) vulnerabilities. Review the list above sorted by publication date to find the most recent high-severity issues.

How can I scan for Libssh2 vulnerabilities?

CyberStrike's AI-powered security agents automatically detect vulnerabilities in Libssh2 products across your infrastructure. The platform provides continuous pentesting, DAST scanning, and real-time vulnerability monitoring with actionable remediation guidance.

Detect Libssh2 Vulnerabilities

CyberStrike scans your infrastructure for Libssh2 vulnerabilities and provides real-time remediation guidance.

Get Started