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CVE-2026-42788 HTTP/2 frame size limit checked after body is buffered in bandit

🗓️ 01 May 2026 20:34:11Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 57 Views

Unauthenticated memory exhaustion via oversized frames in Bandit due to buffering before size check.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-42788
1 May 202620:34
–attackerkb
circl
Circl
CVE-2026-42788
7 May 202604:10
–circl
cnnvd
CNNVD
Bandit 安全漏洞
1 May 202600:00
–cnnvd
cve
CVE
CVE-2026-42788
1 May 202620:34
–cve
euvd
EUVD
EUVD-2026-26716
7 May 202603:52
–euvd
github
Github Security Blog
Bandit HTTP/2 Frame Size Limit Bypass via Late Buffer Check Enables Memory Exhaustion
7 May 202603:52
–github
mend
Mend
CVE-2026-42788
1 May 202620:34
–mend
nvd
NVD
CVE-2026-42788
1 May 202621:16
–nvd
osv
OSV
CVE-2026-42788 HTTP/2 frame size limit checked after body is buffered in bandit
1 May 202620:34
–osv
osv
OSV
EEF-CVE-2026-42788 HTTP/2 frame size limit checked after body is buffered in bandit
1 May 202620:34
–osv
Rows per page
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP2.Frame'"
    ],
    "packageName": "bandit",
    "packageURL": "pkg:hex/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http2/frame.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP2.Frame':deserialize/2"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "1.11.0",
        "status": "affected",
        "version": "0.3.6",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP2.Frame'"
    ],
    "packageName": "mtrudel/bandit",
    "packageURL": "pkg:github/mtrudel/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http2/frame.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP2.Frame':deserialize/2"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "1e8e55966da9129016b73d32f0e1df4630e3b463",
        "status": "affected",
        "version": "f00dd69a5b2a4863be585907acd853c4ffd41399",
        "versionType": "git"
      }
    ]
  }
]

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