Known Vulnerabilities for Libssh2 by Na
Listed below are 10 of the newest known vulnerabilities associated with "Libssh2" by "Na".
These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.
Data on known vulnerable versions is also displayed based on information from known CPEs
Known Vulnerabilities
| CVE | Shortened Description | Severity | Publish Date | Last Modified |
|---|---|---|---|---|
| CVE-2026-66035 json | libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows... | Not Provided | 2026-07-24 | 2026-07-28 |
| CVE-2026-66034 json | libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH se... | Not Provided | 2026-07-24 | 2026-07-28 |
| CVE-2026-66033 json | libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2_ci... | Not Provided | 2026-07-24 | 2026-07-28 |
| CVE-2026-66032 json | libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftp_open() function in src/sftp... | Not Provided | 2026-07-24 | 2026-07-28 |
| CVE-2026-58051 json | libssh2 through 1.11.1 grows its publickey list with SSH2_REALLOC but does not zero-initialize new entries before parsing pop... | Not Provided | 2026-06-28 | 2026-06-29 |
| CVE-2026-58050 json | libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in... | Not Provided | 2026-06-28 | 2026-06-29 |
| CVE-2026-55200 json | libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2_transport_read() that f... | Not Provided | 2026-06-17 | 2026-07-14 |
| CVE-2026-55199 json | libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSH_MSG... | Not Provided | 2026-06-17 | 2026-07-14 |
| CVE-2026-7598 json | A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of... | Not Provided | 2026-05-01 | 2026-07-15 |
| CVE-2025-15661 json | libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftp_symlink() func... | Not Provided | 2026-06-18 | 2026-07-14 |