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CVE-2026-21434 webtransport-go affected by Memory Exhaustion Attack due to Missing Length Check in WT_CLOSE_SESSION Capsule

🗓️ 12 Feb 2026 18:18:04Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 49 Views

CVE-2026-21434 in webtransport-go enables memory exhaustion from an oversized Application Error Message in a close session capsule.

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Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-21434
12 Feb 202618:18
–attackerkb
cgr
Chainguard
CVE-2026-21434 vulnerabilities
23 Feb 202613:17
–cgr
circl
Circl
CVE-2026-21434
12 Feb 202622:10
–circl
cnnvd
CNNVD
webtransport-go 安全漏洞
12 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-21434
12 Feb 202618:18
–cve
github
Github Security Blog
webtransport-go: Memory Exhaustion Attack due to Missing Length Check in WT_CLOSE_SESSION Capsule
12 Feb 202615:28
–github
github
Github Security Blog
Centrifugo v6.6.0 dependency vulnerabilities
19 Feb 202622:07
–github
nvd
NVD
CVE-2026-21434
12 Feb 202619:15
–nvd
osv
OSV
CGA-29F4-868R-7M7J
13 Feb 202623:43
–osv
osv
OSV
CGA-2P83-JR3V-2596
14 Feb 202602:10
–osv
Rows per page
[
  {
    "vendor": "quic-go",
    "product": "webtransport-go",
    "versions": [
      {
        "version": "< 0.10.0",
        "status": "affected"
      }
    ]
  }
]

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