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ALPINE-CVE-2023-23916

ALPINE-CVE-2023-23916 PUBLISHED CVSS 6.5 MEDIUM

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.

Risk Scores

CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.18curl7.27.0-r0, 7.57.0, 7.87.0-r3
Alpine:v3.21curl7.64.1-r1, 0, 7.19.2-r0
Alpine:v3.19curl7.62.0-r1, 7.29.0-r0, 7.30.0-r0
Alpine:v3.23curl7.51.0-r0, 0, 7.19.2-r0
Alpine:v3.15curl7.50.3-r0, 7.80.0-r5, 7.80.0-r4
Alpine:v3.16curl7.19.7-r0, 7.19.7-r1, 7.20.1-r0
Alpine:v3.14curl7.19.5-r0, 7.19.2-r0, 7.19.2-r1
Alpine:v3.20curl7.32.0-r0, 7.57.0, 7.87.0-r3
Alpine:v3.24curl7.57.0
Alpine:v3.17curl7.29.0-r0, 7.19.2-r1, 7.19.4-r0
Alpine:v3.22curl0, 7.27.0-r0, 7.57.0

Timeline

  • Feb 23, 2023 CVE Published
  • Apr 30, 2026 Distribution Patch
  • Jul 8, 2026 CVE Updated
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