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ALPINE-CVE-2023-27534

ALPINE-CVE-2023-27534 PUBLISHED CVSS 8.800000190734863 HIGH

A path traversal vulnerability exists in curl <8.0.0 SFTP implementation causes the tilde (~) character to be wrongly replaced when used as a prefix in the first path element, in addition to its intended use as the first element to indicate a path relative to the user's home directory. Attackers can exploit this flaw to bypass filtering or execute arbitrary code by crafting a path like /~2/foo while accessing a server with a specific user.

Risk Scores

CVSS v3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Alpine:v3.22curl7.21.6-r0, 7.19.2-r0, 7.19.2-r1
Alpine:v3.19curl7.61.0-r0, 7.53.1-r2, 7.53.1-r3
Alpine:v3.20curl7.47.1-r0, 7.47.0-r0, 7.46.0-r2
Alpine:v3.14curl7.79.1-r0, 7.79.1-r5, 7.79.1-r4
Alpine:v3.16curl7.56.1-r1, 7.34.0-r1, 7.55.1-r0
Alpine:v3.21curl7.71.1-r0, 0, 7.19.2-r1
Alpine:v3.17curl7.23.1-r0, 7.19.7-r0, 7.25.0-r0
Alpine:v3.15curl7.20.1-r0, 7.19.2-r0, 7.19.2-r1
Alpine:v3.23curl7.56.1-r0, 7.88.1-r0, 7.88.0-r1
Alpine:v3.18curl7.53.1-r3, 7.53.1-r2, 7.53.1-r1

Timeline

  • Mar 30, 2023 CVE Published
  • Dec 3, 2025 CVE Updated
  • Apr 30, 2026 Distribution Patch
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