https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-11T05:34:42.023819+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2024-1402 CVE-2024-1402 — Denial of service in mattermost mobile apps and server via emoji reactions 2026-10-11T05:34:42.025805+00:00

Affected: Mattermost

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 and to crash the server due to overloading when clients attempt to retrive the aforementioned post.