Resource exhaustion 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: 0.622 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support@hackerone.com (Exploit, Patch, Third Party Advisory, Issue Tracking)
- support@hackerone.com (Mailing List)
- support@hackerone.com (Mailing List)
- support@hackerone.com (Mailing List)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (Mailing List, Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-38039?
- CVE-2023-38039 is a high-severity vulnerability in Curl, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-09-15.
- How severe is CVE-2023-38039?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-38039 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.