What’s Vulnerable › Vulnerabilities

CVE-2022-38667

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-22 · updated 2026-06-17
• Weakness: CWE-416

Description

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.

Affected products

• Crow: through 1.0\+4

References

• https://cwe.mitre.org/data/definitions/372.html
• https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38667.md
• https://github.com/CrowCpp/Crow/pull/524
• https://gynvael.coldwind.pl/?id=753
• https://cwe.mitre.org/data/definitions/372.html
• https://github.com/0xhebi/CVEs/blob/main/Crow/CVE-2022-38667.md
• https://github.com/CrowCpp/Crow/pull/524
• https://gynvael.coldwind.pl/?id=753

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