vulnerability

FreeBSD: VID-f4c54b81-bcc8-11eb-a7a6-080027f515ea (CVE-2021-3487): binutils -- excessive debug section size can cause excessive memory consumption in bfd's dwarf2.c read_section()

Severity
5
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:C)
Published
Aug 13, 2021
Added
Nov 4, 2022
Modified
Mar 25, 2026

Description

Hao Wang reports: There's a flaw in the BFD library of binutils in versions before 2.36. An attacker who supplies a crafted file to an application linked with BFD, and using the DWARF functionality, could cause an impact to system availability by way of excessive memory consumption.

Solution

freebsd-upgrade-package-binutils
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.