EUVD-2026-6715Published

webtransport-go affected by Memory Exhaustion Attack due to Missing Length Check in WT_CLOSE_SESSION Capsule

cve-program · CVE-2026-21434

Published

webtransport-go

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "quic-go",
                    "product": "webtransport-go",
                    "versions": [
                        {
                            "version": "< 0.10.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-6715

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Feb 12, 2026, 6:18:04 PM

dateUpdated: Feb 12, 2026, 6:45:58 PM

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-21434

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-770

Original publisher date fields

published: 2026-02-12T19:15:51.333

lastModified: 2026-06-17T10:18:39.907

1 source CPE criteria · context only

cpe:2.3:a:quic-go:webtransport-go:*:*:*:*:*:go:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-g6x7-jq8p-6q9q

Published

github.com/quic-go/webtransport-go

SEMVER · introduced 0.3.0 → fixed 0.10.0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-4485

Published

github.com/quic-go/webtransport-go

SEMVER · introduced 0 → fixed 0.10.0

github.com/marten-seemann/webtransport-go

SEMVER · introduced 0.3.0

Original source record · Cite this exact observation · Complete original publisher JSON