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CVE-2026-63495 Libevent: Unbounded memory accumulation in WebSocket server via fragmented frames

🗓️ 20 Aug 2026 17:49:16Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unauthenticated remote DoS in Libevent WebSocket server via unbounded fragmented frame accumulation until memory exhaustion.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-63495
20 Aug 202600:00
cve
euvd
EUVD
EUVD-2026-63503
20 Aug 202617:49
euvd
nvd
NVD
CVE-2026-63495
20 Aug 202618:16
nvd
ptsecurity
Positive Technologies
PT-2026-79097
20 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-63495 Libevent: Unbounded memory accumulation in WebSocket server via fragmented frames
20 Aug 202617:49
vulnrichment
[
  {
    "vendor": "libevent",
    "product": "libevent",
    "versions": [
      {
        "version": ">= 2.2.0-alpha-dev, < 2.2.2-alpha",
        "status": "affected"
      }
    ]
  }
]

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