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 |
DLA-3085-1 | curl security update |
Debian DSA |
DSA-5197-1 | curl security update |
Ubuntu USN |
USN-5495-1 | curl vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 05 May 2025 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Projects
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2025-05-05T16:16:54.022Z
Reserved: 2022-06-01T00:00:00.000Z
Link: CVE-2022-32206
Updated: 2024-08-03T07:32:56.021Z
Status : Modified
Published: 2022-07-07T13:15:08.340
Modified: 2025-05-05T17:18:13.120
Link: CVE-2022-32206
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
Ubuntu USN