DEBIAN-CVE-2026-77473
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-77473
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-77473.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-77473
- Upstream
- Published
- 2026-11-09T22:18:54Z
- Modified
- 2026-11-10T09:00:08Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
AsyncSSH is a Python package which provides an asynchronous client and server implementation of the SSHv2 protocol on top of the Python asyncio framework. Prior to 2.24.1, recursive remote-to-local SFTP copies in SFTPClient._copy() in asyncssh/sftp.py, reached through get(), mget(), and copy(), trust filenames returned by a remote server's directory enumeration. A malicious or compromised SFTP server can return an absolute filename or a filename containing path separators and parent-directory traversal, causing destination path construction to escape the requested local directory and write attacker-selected content to locations writable by the client process. This issue is fixed in version 2.24.1.
- References
Affected packages
Debian:12 / python-asyncssh
Package
- Name
- python-asyncssh
- Purl
- pkg:deb/debian/python-asyncssh?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Debian:13 / python-asyncssh
Package
- Name
- python-asyncssh
- Purl
- pkg:deb/debian/python-asyncssh?arch=source&distro=trixie
Debian:14 / python-asyncssh
Package
- Name
- python-asyncssh
- Purl
- pkg:deb/debian/python-asyncssh?arch=source&distro=forky