BREW-MAIGRET-GHSA-3VPC-4… (GHSA-3VPC-4P9P-47HC)
Vulnerability from osv_homebrew – Published: 2026-08-13 17:11 – Updated: 2026-08-28 12:50 – Source websiteSummary
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": [
{
"ecosystem_specific": {
"fix": "bump",
"range_state": "fixed",
"resource": "curl-cffi",
"resource_purl": "pkg:pypi/curl-cffi@0.16.2",
"upstream_fixed_in": "0.7.0b6"
},
"package": {
"ecosystem": "Homebrew",
"name": "maigret",
"purl": "pkg:brew/maigret"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.4"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"confidence": "high",
"source": "matched",
"strategy": "registry",
"upstream_evidence": [
{
"ecosystem": "PyPI",
"key": "pkg:pypi/curl-cffi@0.16.2",
"name": "curl-cffi",
"resource": "curl-cffi",
"strategy": "registry",
"subject_version": "0.16.2"
}
]
},
"details": "### Summary\ncurl_cffi is potentially affected by High Severity vulnerability (CVE-2023-38545) in libcurl\u003c8.4.0\n\n### Details\nHIGH severity vulnerability in curl and libcurl: [announcement](https://github.com/curl/curl/discussions/12026#discussioncomment-7195548)\nDetails are still unknown, but seems it will be a major issue as it\u0027s advertised by curl devs as \"_probably the worst curl security flaw in a long time_\".\nA patched version (8.4.0) and details will be published around 06:00 UTC on October 11.\ncurl_cffi wheels on PyPI ship with libcurl 7.84.0\n\n### PoC\n[https://inspector.pypi.io/project/curl-cffi/0.5.10b2/packages/56/ae/eb7d39ad234f1f44650b910757d5aa696feff413d327c8328223ce78cb76/curl_cffi-0.5.10b2-cp37-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl/curl_cffi/include/curl/curlver.h](https://inspector.pypi.io/project/curl-cffi/0.5.10b2/packages/56/ae/eb7d39ad234f1f44650b910757d5aa696feff413d327c8328223ce78cb76/curl_cffi-0.5.10b2-cp37-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl/curl_cffi/include/curl/curlver.h)\n\n### Resolution\n\nVersions after 0.7 bundles with `libcurl\u003e=8.5`, which is not affected by this issue.\n",
"id": "BREW-maigret-GHSA-3vpc-4p9p-47hc",
"modified": "2026-08-28T12:50:21Z",
"published": "2026-08-13T17:11:30Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/lexiforest/curl_cffi/security/advisories/GHSA-3vpc-4p9p-47hc"
},
{
"type": "ADVISORY",
"url": "https://github.com/advisories/GHSA-7xw9-w465-6x42"
},
{
"type": "PACKAGE",
"url": "https://github.com/lexiforest/curl_cffi"
}
],
"schema_version": "1.7.3",
"summary": "curl_cffi bundles a version of libcurl affected by High Severity vulnerability",
"upstream": [
"GHSA-3vpc-4p9p-47hc"
]
}
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.