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CVE-2024-28869— Possible denial of service vulnerability with Content-length header in Traefik

Quick assessment

Affected
traefik traefik
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Containous Traefik是美国Containous公司的一款反向代理和负载平衡器。 Containous Traefik存在安全漏洞，该漏洞源于Content-length标头存在拒绝服务（DOS）漏洞。受影响的产品和版本：Traefik v2.11.0及之前版本，v3.0.0-rc3及之前版本。

CVSS 7.5 · High EPSS 1.05% · P63
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I. Basic Information for CVE-2024-28869

Vulnerability Information
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Vulnerability Title
Possible denial of service vulnerability with Content-length header in Traefik
Source: CVE Program / CVE List V5
Vulnerability Description
Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service. This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Containous Traefik 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Containous Traefik是美国Containous公司的一款反向代理和负载平衡器。 Containous Traefik存在安全漏洞，该漏洞源于Content-length标头存在拒绝服务（DOS）漏洞。受影响的产品和版本：Traefik v2.11.0及之前版本，v3.0.0-rc3及之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
traefik traefik < 2.11.2 -

II. Public POCs for CVE-2024-28869

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7239 chars
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III. Intelligence Information for CVE-2024-28869

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Patches & Fixes for CVE-2024-28869 (1)

Other References for CVE-2024-28869 (2)

IV. Related Vulnerabilities

Same product: traefik
Same vendor: traefik
Same weakness: CWE-755

V. Comments for CVE-2024-28869

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