CVE-2026-73057CWE-400denial-of-service

CVE-2026-73057

High · published August 16, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
25.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
8.7 · 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
EPSS
0.00337 · 25.8th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-08-16T18:16Z
References (3)
https://github.com/stoatchat/stoatchat/security/advisories/GHSA-x87r-h3mq-7mgr · [email protected]https://www.vulncheck.com/advisories/stoatchat-before-uncapped-svg-rendering-denial-of-service · [email protected]https://github.com/stoatchat/stoatchat/security/advisories/GHSA-x87r-h3mq-7mgr · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 16 AUG 13:14Z
    stoatchat before 0.15.0 Uncapped SVG Rendering Denial of Service
    cvelistv5