Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-35252

CVE-2022-35252LOW

n/a https://github.com/curl/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 bac…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   H   N   N  U  N  N  L    3.7   .0384   90.0     —

AFFECTED
  Product                       Versions                Fixed
  https://github.com/curl/curl  Fixed in curl 7.85.0 –  —

TIMELINE
  Jul 6   Reserved by hackerone
  Sep 23  Published (CNA: hackerone)
  Oct 14  EXPLOIT PUBLISHED — CVE-2022-35252 (https://github.com/curl/curl). Public exploit reference added.

CWE-20 · CNA: hackerone · CVSS v3.1 · 13 references · NVD status: Modified

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 6, 2022	Reserved	Reserved by hackerone
September 23, 2022	Published	Published (CNA: hackerone)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2022-35252 (https://github.com/curl/curl). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
n/a	https://github.com/curl/curl	—	Fixed in curl 7.85.0	—

Weaknesses

CWE-20

References (13)

http://seclists.org/fulldisclosure/2023/Jan/20 [Mailing List, Third Party Advisory]
http://seclists.org/fulldisclosure/2023/Jan/21 [Mailing List, Third Party Advisory]
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
https://cert-portal.siemens.com/productcert/html/ssa-419740.html
https://cert-portal.siemens.com/productcert/html/ssa-558014.html
https://cert-portal.siemens.com/productcert/html/ssa-892048.html
https://cert-portal.siemens.com/productcert/html/ssa-942865.html
https://hackerone.com/reports/1613943 [Exploit, Issue Tracking, Third Party Advisory]
https://lists.debian.org/debian-lts-announce/2023/01/msg00028.html [Mailing List, Third 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]

Authoritative record: CVE-2022-35252 at cve.org

Weaknesses: CWE-20

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-35252 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.