[ Javascript ] Missing supported_versions Extension in ClientHello
Open-source bounty · GitHub (bounty labels) · open as of 17 Oct 2026
- Amount as listed
- $1 fixed “$1” — quoted from GitHub (bounty labels)
- Platform
- GitHub (bounty labels)
- Kind of work
- Open-source bounty · Engineering
- Open to
- not stated by the platform
- Deadline
- not stated by the platform
- Status
- Open
- Checked
- 17 Oct 2026, 18:22 UTC
What the listing says
Missing supported versions Extension in ClientHello - In tls handshake client.js, the generateClientHello() method (line 84) builds the extensions list at lines 91-97 but omits the supported versions extension (type 0x002b) required by RFC 8446 Section 4.2.1. Without this extension, compliant TLS 1.3 servers will rejec
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