ALPINE-CVE-2018-7642 — Vulnetix

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ALPINE-CVE-2018-7642 PUBLISHED CVSS 5.5 MEDIUM

The swap_std_reloc_in function in aoutx.h in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (aout_32_swap_std_reloc_out NULL pointer dereference and application crash) via a crafted ELF file, as demonstrated by objcopy.

Risk Scores

CVSS v3.0

5.5

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

Affected Products

Vendor	Product	Versions
Alpine:v3.7	binutils	0, 2.20.51.0.12-r0, 2.20.51.0.4-r1
Alpine:v3.8	binutils	0, 2.20.51.0.12-r0, 2.20.51.0.4-r1

Timeline

Mar 2, 2018 CVE Published
Nov 19, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2018-7642 advisory

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