Resource exhaustion in Haxx Curl
CVE-2022-27781
libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.001 (23.2th 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, Third Party Advisory)
- support@hackerone.com (Third Party Advisory)
- support@hackerone.com (vendor-advisory, Mailing List, Third Party Advisory)
- support@hackerone.com (mailing-list, Mailing List, Third Party Advisory)
- support@hackerone.com (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-27781?
- CVE-2022-27781 is a high-severity vulnerability in Haxx Curl, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2022-06-02.
- How severe is CVE-2022-27781?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-27781 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.