Headline
GHSA-32h7-7j94-8fc2: Mattermost vulnerable to denial of service via large number of emoji reactions
Mattermost fails to check if a custom emoji reaction exists when sending it to a post and to limit the amount of custom emojis allowed to be added in a post, allowing an attacker sending a huge amount of non-existent custom emojis in a post to crash the mobile app of a user seeing the post.
Skip to content
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-2024-1402
Mattermost vulnerable to denial of service via large number of emoji reactions
Moderate severity GitHub Reviewed Published Feb 9, 2024 to the GitHub Advisory Database • Updated Feb 9, 2024
Package
gomod github.com/mattermost/mattermost/server/v8 (Go)
Affected versions
< 8.1.8
>= 9.2.0, < 9.2.4
>= 9.1.0, < 9.1.5
Patched versions
8.1.8
9.2.4
9.1.5
Description
Published to the GitHub Advisory Database
Feb 9, 2024