Vulnerability in Curl

CVE-2023-38039

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API. However, curl did not have a limit in how many or how large headers it would accept in a response, allowi…

EPSS: 0.638 (99.1th percentile) — read the EPSS interpretation.

Affected products

  • Curl — versions 8.3.0, 7.84.0

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38039?
CVE-2023-38039 is a vulnerability in Curl. Published 2023-09-15.
Is CVE-2023-38039 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.