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Advisories

stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service

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severity
high
date
Affecting

  • stoatchat >= 0, < 0.15.0

CWE
  • CWE-400 Uncontrolled Resource Consumption
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
stoatchat before 0.15.0 fails to validate SVG viewBox dimensions in the proxy endpoint, allowing attackers to cause denial of service by memory exhaustion. Attackers can host malicious SVGs with extremely large width and height values and trigger concurrent requests to exhaust available memory across proxy replicas.

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