VDB

ALPINE-CVE-2026-27171

ALPINE-CVE-2026-27171 PUBLISHED CVSS 5.5 MEDIUM

zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.23zlib1.2.12-r2, 1.3.1-r2, 1.3.1-r1
Alpine:v3.20zlib0, 1.2.10-r0, 1.2.13-r0
Alpine:v3.22zlib1.3.1-r2, 1.2.10-r0, 1.2.11-r0
Alpine:v3.21zlib1.2.11-r2, 1.3.1-r2, 1.3.1-r1

Timeline

  • Feb 18, 2026 CVE Published
  • Apr 14, 2026 CVE Updated
  • Apr 30, 2026 Distribution Patch
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