7.5
High
CVE-2026-56855 Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the…
Description
Previously, after a channel has been established, a malicious peer could send crafted messages that would deadlock the entire connection. Now, we handle all RFC 4254 channel messages; global requests are handled explicitly. Then, treat all other messages as a protocol error and tear the connection down instead of buffering and blocking.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| golang.org/x/crypto/ssh 0.56 | earliest → < 0.56.0 | 0.56.0 |
References
- go.dev go.dev
- go.dev go.dev
- groups.google.com groups.google.com
- pkg.go.dev pkg.go.dev
Timeline
- Published
- Last modified
Other CVEs of golang.org/x/crypto/ssh
The 15 CVEs of golang.org/x/crypto/ssh →
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9.1
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