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Vulnerability record · CVE-2022-35252 · published 23 September 2022

CVE-2022-35252: Haxx curl improper input validation vulnerability

Haxx · Curl

When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings.

3.7 CVSS 3.1 Low EPSS 2.4% · top 16.4% CWE-20 · Improper input validation
3.7CVSS 3.1 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
16References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

When curl is used to retrieve and parse cookies from a HTTP(S) server, itaccepts cookies using control codes that when later are sent back to a HTTPserver might make the server return 400 responses. Effectively allowing a"sister site" to deny service to all siblings.

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

Affected products

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

References

LinkTags
http://seclists.org/fulldisclosure/2023/Jan/20 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2023/Jan/21 Mailing ListThird Party Advisory
https://hackerone.com/reports/1613943 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00028.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220930-0005/ Third Party Advisory
https://support.apple.com/kb/HT213603 Third Party Advisory
https://support.apple.com/kb/HT213604 Third Party Advisory
http://seclists.org/fulldisclosure/2023/Jan/20 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2023/Jan/21 Mailing ListThird Party Advisory
https://hackerone.com/reports/1613943 ExploitIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00028.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202212-01 Third Party Advisory
https://security.netapp.com/advisory/ntap-20220930-0005/ Third Party Advisory
https://support.apple.com/kb/HT213603 Third Party Advisory
https://support.apple.com/kb/HT213604 Third Party Advisory

Track CVE-2022-35252 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-2022-35252), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.