CVE-2022-38667
criticalpriority · track · 40EPSS 0.031 · 88 %ileEURUUSEPSS · scored 2026-10-28
HTTP applications (servers) based on Crow through 1.0+4 may allow a Use-After-Free and code execution when HTTP pipelining is used. The HTTP parser supports HTTP pipelining, but the asynchronous Connection layer is unaware of HTTP pipelining. Specifically, the Connection layer is unaware that it has begun processing a later request before it has finished processing an earlier request.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
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references (13)
External citations — patches, advisories, analysis.
- https://cwe.mitre.org/data/definitions/372.htmlcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-38667/cnnvd
- https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38667.mdcnnvd
- https://github.com/CrowCpp/Crow/pull/524cnnvd
- https://gynvael.coldwind.pl/?id=753cnnvd
- https://cwe.mitre.org/data/definitions/372.htmlenisa_euvd
- https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38667.mdenisa_euvd
- https://github.com/CrowCpp/Crow/pull/524enisa_euvd
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