| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| curl | ≥ 7.57.0, < 7.88.0 | 7.88.0 |
| universal forwarder | = 9.1.0≥ 8.2.0, < 8.2.12≥ 9.0.0, < 9.0.6 | 8.2.129.0.6 |
An allocation of resources without limits or throttling vulnerability exists in curl <v7.88.0 based on the "chained" HTTP compression algorithms, meaning that a server response can be compressed multiple times and potentially with differentalgorithms. The number of acceptable "links" in this "decompression chain" wascapped, but the cap was implemented on a per-header basis allowing a maliciousserver to insert a virtually unlimited number of compression steps simply byusing many headers. The use of such a decompression chain could result in a "malloc bomb", making curl end up spending enormous amounts of allocated heap memory, or trying to and returning out of memory errors.
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