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CVE-2026-42530 NGINX Open-Source ngx_http_v3_module vulnerability

🗓️ 17 Jun 2026 14:04:32Reported by f5Type 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE-2026-42530 remote attacker can trigger use-after-free in NGINX via HTTP/3 QPACK stream; code execution if address space randomization is disabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-42530
17 Jun 202614:04
cve
EUVD
EUVD-2026-37717
17 Jun 202614:04
euvd
F5 Networks
K000161614: Out-of-band Security Notification (June 17, 2026)
17 Jun 202613:53
f5
F5 Networks
K000161616: NGINX ngx_http_v3_module vulnerability CVE-2026-42530
17 Jun 202613:45
f5
Nginx
Use-after-free in HTTP/3
17 Jun 202614:04
nginx
NVD
CVE-2026-42530
17 Jun 202615:16
nvd
Positive Technologies
PT-2026-50439
17 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-42530 NGINX Open-Source ngx_http_v3_module vulnerability
17 Jun 202614:04
vulnrichment
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "ngx_http_v3_module"
    ],
    "product": "NGINX Open Source",
    "vendor": "F5",
    "versions": [
      {
        "lessThan": "1.31.2",
        "status": "affected",
        "version": "1.31.0",
        "versionType": "custom"
      }
    ]
  }
]

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