# CVE-2024-46935: Denial of service in rocket chat message parser

> Attackers can crash the Rocket.Chat workspace by sending messages with specific characters, causing a denial of service.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 24 Sep 2024
- **Updated:** 25 Mar 2025
- **Also known as:** GHSA-6375-pg5j-8wph

## What is CVE-2024-46935?

CVE-2024-46935 is a high-severity denial of service vulnerability in Rocket.chat Rocket.chat, published on 24 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Rocket.Chat 6.12.0, 6.11.2, 6.10.5, 6.9.6, 6.8.6, 6.7.8, and earlier is vulnerable to denial of service (DoS). Attackers who craft messages with specific characters may crash the workspace due to an issue in the message parser.

## Which versions are affected by CVE-2024-46935?

2 open source packages ship an affected version, including @rocket.chat/message-parser. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `@rocket.chat/message-parser` | npm | All versions | 0.31.30 |
| `@rocket.chat/message-parser` | npm | All versions | 0.31.30 |

Products: Rocket.chat Rocket.chat.

## How do I fix CVE-2024-46935?

Upgrade @rocket.chat/message-parser to 0.31.30 or later.

## Is CVE-2024-46935 being exploited?

There is no known exploitation of CVE-2024-46935 in the wild and no public exploit code.

## Other vulnerabilities in Rocket.chat Rocket.chat

- [CVE-2026-58066](https://insights.sbomify.com/CVE-2026-58066/): Auth bypass in Rocket.Chat (critical 9.8)
- [CVE-2026-29198](https://insights.sbomify.com/CVE-2026-29198/): SQL injection in Rocket.Chat (critical 9.8)
- [CVE-2023-28316](https://insights.sbomify.com/CVE-2023-28316/): Security feature bypass in Rocket.Chat (critical 9.8)
- [CVE-2022-44567](https://insights.sbomify.com/CVE-2022-44567/): Command injection in Rocket.chat - Electron Desktop (critical 9.8)
- [CVE-2021-22910](https://insights.sbomify.com/CVE-2021-22910/): Code injection in Rocket.Chat server (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-46935 and fix it if it is affected.

What it is: CVE-2024-46935 is a high-severity denial of service vulnerability in Rocket.chat Rocket.chat, published on 24 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-46935 in the wild and no public exploit code.

Affected packages and fixed versions:
- @rocket.chat/message-parser (npm): affected all versions; fixed in 0.31.30
- @rocket.chat/message-parser (npm): affected all versions; fixed in 0.31.30

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2024-46935/ (Markdown: https://insights.sbomify.com/CVE-2024-46935/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-46935
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-46935
- OSV: https://osv.dev/vulnerability/CVE-2024-46935

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-46935/
Summaries are generated and may contain mistakes; the official description above is the record.