vulnerability

Red Hat: CVE-2021-20284: CVE-2021-20284 binutils: Heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c (Multiple Advisories)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Mar 26, 2021
Added
Nov 10, 2021
Modified
Aug 11, 2025

Description

A flaw was found in GNU Binutils 2.35.1, where there is a heap-based buffer overflow in _bfd_elf_slurp_secondary_reloc_section in elf.c due to the number of symbols not calculated correctly. The highest threat from this vulnerability is to system availability.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-binutilsredhat-upgrade-binutils-debuginforedhat-upgrade-binutils-debugsourceredhat-upgrade-binutils-devel
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.