curl_cffi bundles a version of libcurl affected by High Severity vulnerability
Summary
curl_cffi is potentially affected by High Severity vulnerability (CVE-2023-38545) in libcurl<8.4.0
Details
HIGH severity vulnerability in curl and libcurl: announcement Details are still unknown, but seems it will be a major issue as it's advertised by curl devs as "probably the worst curl security flaw in a long time". A patched version (8.4.0) and details will be published around 06:00 UTC on October 11. curl_cffi wheels on PyPI ship with libcurl 7.84.0
PoC
Resolution
Versions after 0.7 bundles with libcurl>=8.5, which is not affected by this issue.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | curl-cffi | < 0.7.0b6 | 0.7.0b6 |
References
- Weakness (CWE)
CWE-1395- Platform
- Python (PyPI)
- Package
curl-cffi- Disclosed
- 22.10.2024
- Updated
- 11.10.2026 12:18
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3vpc-4p9p-47hc - CC BY 4.0
Vulnerability history: curl-cffi
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 10.2024 04.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
Disclosures per year
- 2024: 1
- 2025: 0
- 2026: 1
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curl_cffi bundles a version of libcurl affected by High Severity vulnerability this entry
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