CVE-2026-73057
stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service
- State
- Published
- Severity
- 8.7 High
- Published
- Aug 16, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-400 Uncontrolled Resource Consumption
Affected Products
| Product | Versions |
|---|---|
stoatchatstoatchat |
|
References
- GitHub Security Advisory (GHSA-x87r-h3mq-7mgr)vendor-advisory
- VulnCheck Advisory: stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Servicethird-party-advisory
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