Lucene search
+L

CVE-2026-39803 HTTP/1 chunked body reader ignores length cap in bandit

🗓️ 13 May 2026 13:36:09Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 74 Views

Bandit HTTP1 chunked reader ignores length cap, causing unauthenticated memory DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-39803
13 May 202613:36
–attackerkb
circl
Circl
CVE-2026-39803
13 May 202613:31
–circl
cnnvd
CNNVD
Bandit 安全漏洞
13 May 202600:00
–cnnvd
cve
CVE
CVE-2026-39803
13 May 202613:36
–cve
euvd
EUVD
EUVD-2026-29950
19 May 202619:23
–euvd
github
Github Security Blog
Bandit: Unauthenticated one-shot DoS via `Transfer-Encoding: chunked`
19 May 202619:23
–github
hpe
HPE Security Bulletins
HPESBNW05077 rev.1 - HPE Networking Private 5G Core, Multiple vulnerabilities
7 Jul 202600:00
–hpe
mend
Mend
CVE-2026-39803
13 May 202613:36
–mend
nvd
NVD
CVE-2026-39803
13 May 202614:17
–nvd
osv_cve
osv_cve
CVE-2026-39803 HTTP/1 chunked body reader ignores length cap in bandit
13 May 202613:36
–osv_cve
Rows per page
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP1.Socket'"
    ],
    "packageName": "bandit",
    "packageURL": "pkg:hex/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http1/socket.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP1.Socket':read_data/2"
      },
      {
        "name": "'Elixir.Bandit.HTTP1.Socket':do_read_chunked_data!/5"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "1.11.1",
        "status": "affected",
        "version": "1.4.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:mtrudel:bandit:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Bandit.HTTP1.Socket'"
    ],
    "packageName": "mtrudel/bandit",
    "packageURL": "pkg:github/mtrudel/bandit",
    "product": "bandit",
    "programFiles": [
      "lib/bandit/http1/socket.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Bandit.HTTP1.Socket':read_data/2"
      },
      {
        "name": "'Elixir.Bandit.HTTP1.Socket':do_read_chunked_data!/5"
      }
    ],
    "repo": "https://github.com/mtrudel/bandit",
    "vendor": "mtrudel",
    "versions": [
      {
        "lessThan": "ae3520dfdbfab115c638f8c7f6f6b805db34e1ab",
        "status": "affected",
        "version": "903e209a521bc216b9f9065c01ae9a0cac2d5a10",
        "versionType": "git"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation