curl < 7.84.0 supports "chained" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable "links" in this "decompression chain" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a "malloc bomb", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3085-1 curl security update
Debian DSA Debian DSA DSA-5197-1 curl security update
Ubuntu USN Ubuntu USN USN-5495-1 curl vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 05 May 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2025-05-05T16:16:54.022Z

Reserved: 2022-06-01T00:00:00.000Z

Link: CVE-2022-32206

cve-icon Vulnrichment

Updated: 2024-08-03T07:32:56.021Z

cve-icon NVD

Status : Modified

Published: 2022-07-07T13:15:08.340

Modified: 2025-05-05T17:18:13.120

Link: CVE-2022-32206

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-06-27T00:00:00Z

Links: CVE-2022-32206 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses