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CVE-2026-48779 ws: Memory exhaustion DoS from tiny fragments and data chunks

🗓️ 16 Jun 2026 21:26:22Reported by GitHub_MType 
cve
 cve
🔗 www.cve.org👁 10 Views

WebSocket ws memory exhaustion DoS via tiny fragments; fixed in 5.2.5, 6.2.4, 7.5.11, 8.21.0.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-48779 vulnerabilities
16 Jun 202620:22
cgr
Circl
CVE-2026-48779
22 May 202618:05
circl
Cvelist
CVE-2026-48779 ws: Memory exhaustion DoS from tiny fragments and data chunks
16 Jun 202621:26
cvelist
EUVD
EUVD-2026-37504
16 Jun 202621:26
euvd
Github Security Blog
ws: Memory exhaustion DoS from tiny fragments and data chunks
15 Jun 202616:34
github
OSV
CGA-JWXR-366V-9Q24
16 Jun 202615:38
osv
OSV
GHSA-96HV-2XVQ-FX4P ws: Memory exhaustion DoS from tiny fragments and data chunks
15 Jun 202616:34
osv
OSV
MINI-7F36-2WVM-WMP3
16 Jun 202617:28
osv
OSV
MINI-9W33-J8FV-H9WR
16 Jun 202617:27
osv
OSV
MINI-F5CM-RHJJ-9MWQ
16 Jun 202617:42
osv
Rows per page
Vulners
Node
websocketswsRange1.1.05.2.5
OR
websocketswsRange6.0.06.2.4
OR
websocketswsRange7.0.07.5.11
OR
websocketswsRange8.0.08.21.0
[
  {
    "vendor": "websockets",
    "product": "ws",
    "versions": [
      {
        "version": ">= 1.1.0, < 5.2.5",
        "status": "affected"
      },
      {
        "version": ">= 6.0.0, < 6.2.4",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0, < 7.5.11",
        "status": "affected"
      },
      {
        "version": ">= 8.0.0, < 8.21.0",
        "status": "affected"
      }
    ]
  }
]

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16 Jun 2026 21:26Current
5.1Medium risk
Vulners AI Score5.1
CVSS 3.17.5
EPSS0.00052
10