CVE-2026-62949
2 advisories.
PyPI/asyncssh CVE-2026-62949: medium 6.5, EPSS 0.39%
AsyncSSH: asyncio event-loop freeze via SSH maximum packet size = 0 in SSH_MSG_CHANNEL_OPEN / OPEN_CONFIRMATION
Action: Upgrade asyncssh to 2.24.0 or later.
pip install asyncssh==2.24.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.24.0 | - |
Fixed versions
| 2.24.0 |
Sources
- osv: GHSA-rw4j-r22c-9gc3
- https://github.com/ronf/asyncssh/security/advisories/GHSA-rw4j-r22c-9gc3
- https://nvd.nist.gov/vuln/detail/CVE-2026-62949
- https://github.com/ronf/asyncssh/commit/756cbae5350789ce9735f15f704bae9b5a3608b8
- https://github.com/ronf/asyncssh/commit/9c354270c009285525e126721e8ed5fbed1f8a67
- https://github.com/ronf/asyncssh
- https://github.com/ronf/asyncssh/releases/tag/v2.24.0
CVE-2026-62949 · published · modified · JSON
PyPI/asyncssh CVE-2026-62949: medium 6.5, EPSS 0.39%
AsyncSSH: asyncio event-loop freeze via SSH maximum packet size = 0 in SSH_MSG_CHANNEL_OPEN / OPEN_CONFIRMATION
Action: Upgrade asyncssh to 2.24.0 or later.
pip install asyncssh==2.24.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.24.0 | - |
Fixed versions
| 2.24.0 |
Sources
- osv: PYSEC-2026-4026
- https://github.com/ronf/asyncssh/security/advisories/GHSA-rw4j-r22c-9gc3
- https://nvd.nist.gov/vuln/detail/CVE-2026-62949
- https://github.com/ronf/asyncssh/commit/756cbae5350789ce9735f15f704bae9b5a3608b8
- https://github.com/ronf/asyncssh/commit/9c354270c009285525e126721e8ed5fbed1f8a67
- https://github.com/ronf/asyncssh
- https://github.com/ronf/asyncssh/releases/tag/v2.24.0
- https://pypi.org/project/asyncssh
- https://github.com/advisories/GHSA-rw4j-r22c-9gc3
CVE-2026-62949 · published · modified · JSON