MediumVulnerabilityCVE-2026-116774updated 30 Oct 2026, 22:59 UTC
russh: peer-declared zero maximum packet size permanently stalls channel writes (silent AsyncWrite hang)
Fixed in russh 0.65 · out Official source
| Severity | MediumCVSS 4.3 of 10 |
|---|---|
| Being exploited? | UnclearNo reports either way yet |
| Fix available? | Yesrussh 0.65 · since 30 Oct 2026 |
| How sure is this? | Official sourceBacked by an official source |
Are you affected?
| Package / product | Affected versions | Fixed in |
|---|---|---|
| russh · rust | >= 0.60.0, <= 0.64.1 | 0.65 |
Timeline
- 30 Oct 2026, 22:58 UTCPublicly disclosed
- 30 Oct 2026, 22:58 UTCReported by GitHub Advisory · GitHub Advisory
- 30 Oct 2026, 22:59 UTCPicked up by Zero Radar
Sources 1 report, oldest first
Official vendor, government CERT or advisory database
- russh: peer-declared zero maximum packet size permanently stalls channel writes (silent AsyncWrite hang)GitHub Advisory · 30 Oct 2026, 22:58 UTC
Technical details
- ID
- CVE-2026-116774 · GHSA-fw5c-8223-6h42
- CVSS
- 4.3 / 10
- EPSS
- 0.3% chance of exploitation within 30 days
- Disclosed
- 30 Oct 2026, 22:58 UTC
- On Zero Radar
- 30 Oct 2026, 22:59 UTC (0 min after disclosure)
- Last change
- 30 Oct 2026, 22:59 UTC
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