Headline
GHSA-8f99-g2pj-x8w3: Mattermost crashes web clients via a malformed custom status
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users’ web clients via a malformed custom status.
Skip to content
Navigation Menu
Actions
Automate any workflow
Packages
Host and manage packages
Security
Find and fix vulnerabilities
Codespaces
Instant dev environments
Copilot
Write better code with AI
Code review
Manage code changes
Issues
Plan and track work
Discussions
Collaborate outside of code
GitHub Sponsors
Fund open source developers
* The ReadME Project
GitHub community articles
- Pricing
Provide feedback
Saved searches****Use saved searches to filter your results more quickly
Sign up
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2024-4182
Mattermost crashes web clients via a malformed custom status
Moderate severity GitHub Reviewed Published Apr 26, 2024 to the GitHub Advisory Database • Updated Apr 26, 2024
Package
gomod github.com/mattermost/mattermost-server (Go)
Affected versions
>= 8.1.0, <= 8.1.11
>= 9.4.0, <= 9.4.4
>= 9.5.0, <= 9.5.2
>= 9.6.0-rc1, <= 9.6.0
Patched versions
8.1.12
9.4.5
9.5.3
9.6.1
Description
Published to the GitHub Advisory Database
Apr 26, 2024
Last updated
Apr 26, 2024