CVE-2023-2793CWE-400

Stack exhaustion in PreparePostForClientWithEmbedsAndImages

Medium · published June 16, 2023

CVSS v3.1
6.5
EPSS
1%
Percentile
46.0
In the wild
Unconfirmed
What it is

Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00562 · 46.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2023-06-16T09:02Z
EPSS history
Timeline
  • 16 JUN 09:02Z
    Stack exhaustion in PreparePostForClientWithEmbedsAndImages
    cvelistv5