Vulnerability record · CVE-2022-27781 · published 2 June 2022

CVE-2022-27781: Haxx curl uncontrolled resource consumption vulnerability

Haxx · Curl

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-ending busy-loop when trying to retrieve thatinformation.

7.5 CVSS 3.1 High EPSS 2.7% · top 14.3% CWE-400 · Uncontrolled resource consumptionCWE-835 · CWE-835

7.5CVSS 3.1 base score, v2 5.0

2.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

12Affected product versions listed by NVD

11References, 3 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

12 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Debian Linux Debian

Curl Haxx NClustered Data Ontap Netapp NH300s Firmware Netapp NH410s Firmware Netapp NH500s Firmware Netapp NH700s Firmware Netapp NHci Bootstrap Os Netapp NHci Compute Node Netapp NSolidfire \& Hci Management Node Netapp NSolidfire\, Enterprise Sds \& Hci Storage Node Netapp

Universal Forwarder Splunk

References

Link	Tags
https://hackerone.com/reports/1555441	ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html	Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01	Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/	Third Party Advisory
https://www.debian.org/security/2022/dsa-5197	Mailing ListThird Party Advisory
https://hackerone.com/reports/1555441	ExploitThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html	Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01	Third Party Advisory
https://security.netapp.com/advisory/ntap-20220609-0009/	Third Party Advisory
https://www.debian.org/security/2022/dsa-5197	Mailing ListThird Party Advisory
https://hackerone.com/reports/1555441	ExploitThird Party Advisory

Track CVE-2022-27781 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-27781), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.