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ALPINE-CVE-2018-20712

ALPINE-CVE-2018-20712 PUBLISHED CVSS 6.5 MEDIUM

A heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.

Risk Scores

CVSS 3.0
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
Alpine:v3.17binutils0, 2.20.51.0.12-r0, 2.20.51.0.4-r1
Alpine:v3.22binutils0, 2.31.1-r2, 2.31.1-r1
Alpine:v3.21binutils0, 2.20.51.0.4-r1, 2.21-r0
Alpine:v3.12binutils0, 2.20.51.0.12-r0, 2.20.51.0.4-r1
Alpine:v3.10binutils2.25-r1, 0, 2.20.51.0.12-r0
Alpine:v3.24binutils0
Alpine:v3.16binutils0, 2.22-r0, 2.23-r0
Alpine:v3.20binutils2.22-r1, 0, 2.20.51.0.12-r0
Alpine:v3.18binutils2.20.51.0.12-r0, 0, 2.31.1-r2
Alpine:v3.23binutils2.30-r1, 2.20.51.0.12-r0, 0
Alpine:v3.11binutils2.21-r0, 2.21.1-r0, 2.22-r0
Alpine:v3.15binutils2.24-r1, 2.20.51.0.12-r0, 2.21-r0
Alpine:v3.14binutils2.26.1-r0, 0, 0
Alpine:v3.19binutils2.31.1-r0, 2.30-r5, 2.30-r4
Alpine:v3.13binutils2.27-r0, 0, 0

Timeline

  • Jan 15, 2019 CVE Published
  • Apr 30, 2026 Distribution Patch
  • Jun 9, 2026 CVE Updated
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