CVE-2026-33814 (GCVE-0-2026-33814)

Vulnerability from cvelistv5 – Published: 2026-05-07 19:41 – Updated: 2026-05-07 19:41
VLAI?
Title
Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net
Summary
When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a SETTINGS_MAX_FRAME_SIZE with a value of 0.
Severity ?
No CVSS data available.
CWE
  • CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
Go
References
Impacted products
Vendor Product Version
golang.org/x/net golang.org/x/net/http2 Affected: 0 , < 0.53.0 (semver)
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    Go standard library net/http Affected: 0 , < 1.25.10 (semver)
Affected: 1.26.0-0 , < 1.26.3 (semver)
Create a notification for this product.
Credits
Marwan Atia (marwansamir688@gmail.com)
Show details on NVD website
To clipboard 

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            },
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              "name": "Transport.RoundTrip"
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            {
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            {
              "name": "Client.Head"
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            {
              "name": "Client.Post"
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            {
              "name": "Client.PostForm"
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            {
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            {
              "name": "Head"
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            {
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            {
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              "version": "0",
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      ],
      "credits": [
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          "lang": "en",
          "value": "Marwan Atia (marwansamir688@gmail.com)"
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        }
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      "providerMetadata": {
        "dateUpdated": "2026-05-07T19:41:17.631Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
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      "references": [
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          "url": "https://go.dev/cl/761581"
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          "url": "https://go.dev/cl/761640"
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        {
          "url": "https://go.dev/issue/78476"
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        {
          "url": "https://groups.google.com/g/golang-announce/c/qcCIEXso47M"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4918"
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      ],
      "title": "Infinite loop in HTTP/2 transport when given bad SETTINGS_MAX_FRAME_SIZE in net/http/internal/http2 in golang.org/x/net"
    }
  },
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    "cveId": "CVE-2026-33814",
    "datePublished": "2026-05-07T19:41:17.631Z",
    "dateReserved": "2026-03-23T20:35:32.814Z",
    "dateUpdated": "2026-05-07T19:41:17.631Z",
    "state": "PUBLISHED"
  },
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  }
}


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