CVE-2022-32221 (GCVE-0-2022-32221)

Vulnerability from cvelistv5 – Published: 2022-12-05 00:00 – Updated: 2026-02-13 19:37
VLAI
Summary
When doing HTTP(S) transfers, libcurl might erroneously use the read callback (`CURLOPT_READFUNCTION`) to ask for data to send, even when the `CURLOPT_POSTFIELDS` option has been set, if the same handle previously was used to issue a `PUT` request which used that callback. This flaw may surprise the application and cause it to misbehave and either send off the wrong data or use memory after free or similar in the subsequent `POST` request. The problem exists in the logic for a reused handle when it is changed from a PUT to a POST.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 15:51 UTC
CWE
  • CWE-200 - Information Disclosure (CWE-200)
Assigner
References
Impacted products
Vendor Product Version
n/a https://github.com/curl/curl Affected: Fixed in 7.86.0
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T07:56:02+00:00",
      "cve": "CVE-2022-32221",
      "id": "CVE-2022-32221",
      "initial_release_date": "2022-10-26T00:00:00+00:00",
      "product_status:fixed": "160",
      "product_status:known_not_affected": "134",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "curl: POST following PUT confusion",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-32221.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-01T00:16:51Z",
      "cve": "CVE-2022-32221",
      "id": "CVE-2022-32221",
      "initial_release_date": "2023-02-15T03:25:21Z",
      "product_status:known_affected": "312",
      "product_status:known_not_affected": "22",
      "product_status:recommended": "470",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-32221",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-32221.json",
      "version": "60"
    },
    "vulnrichment": {
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      "dataType": "CVE_RECORD",
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.