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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3341-1 | curl security update |
Debian DSA |
DSA-5365-1 | curl security update |
Ubuntu USN |
USN-5891-1 | curl vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 12 Mar 2025 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Status: PUBLISHED
Assigner: hackerone
Published:
Updated: 2025-03-12T18:25:23.845Z
Reserved: 2023-01-19T00:00:00.000Z
Link: CVE-2023-23916
Updated: 2024-08-02T10:42:26.847Z
Status : Modified
Published: 2023-02-23T20:15:13.777
Modified: 2025-03-12T19:15:36.367
Link: CVE-2023-23916
OpenCVE Enrichment
No data.
Debian DLA
Debian DSA
Ubuntu USN