Lucene search
K

CVE-2026-55200 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

🗓️ 17 Jun 2026 19:03:15Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Libssh2 1.11.1 has an out-of-bounds write in ssh2_transport_read via unchecked packet_length enabling remote code execution.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploitarium-Detections
28 Jun 202621:36
githubexploit
GithubExploit
vuln-corpus
27 Jun 202623:21
githubexploit
GithubExploit
Exploit for Integer Overflow to Buffer Overflow in Libssh2
29 Jun 202612:11
githubexploit
GithubExploit
Exploit for Integer Overflow to Buffer Overflow in Libssh2
2 Jul 202600:19
githubexploit
GithubExploit
bak-exploitarium
2 Jul 202602:18
githubexploit
GithubExploit
exploitarium
30 Jun 202607:55
githubexploit
GithubExploit
exploitarium
29 Jun 202610:03
githubexploit
GithubExploit
exploitarium
9 Jul 202608:25
githubexploit
GithubExploit
0-day-PoC-Repo
29 Jun 202620:01
githubexploit
GithubExploit
exploitarium-fork
29 Jun 202612:08
githubexploit
Rows per page
[
  {
    "vendor": "libssh2",
    "product": "libssh2",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "1.11.1"
      },
      {
        "status": "unaffected",
        "version": "7acf3dfda80c91c3a8c9f2372546301d4a1a7a8",
        "versionType": "git"
      }
    ],
    "repo": "https://github.com/libssh2/libssh2"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

18 Jun 2026 11:46Current
CVSS 3.18.1
CVSS 49.2
EPSS0.00732
28