Go/github.com/quic-go/webtransport-go CVE-2026-21434: medium 5.3, EPSS 0.46%
webtransport-go: Memory Exhaustion Attack due to Missing Length Check in WT_CLOSE_SESSION Capsule
Action: Upgrade github.com/quic-go/webtransport-go to 0.10.0 or later.
go get github.com/quic-go/webtransport-go@v0.10.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.3.0 | 0.10.0 | - |
Fixed versions
| 0.10.0 |
Sources
- osv: GHSA-g6x7-jq8p-6q9q
- https://github.com/quic-go/webtransport-go/security/advisories/GHSA-g6x7-jq8p-6q9q
- https://nvd.nist.gov/vuln/detail/CVE-2026-21434
- https://github.com/quic-go/webtransport-go
- https://github.com/quic-go/webtransport-go/releases/tag/v0.10.0
CVE-2026-21434 · published · modified · JSON