CVE-2021-20294

HIGH

GNU Binutils < 2.35.2 - Out-of-Bounds Write

Title source: rule
STIX 2.1

Description

A flaw was found in binutils readelf 2.35 program. An attacker who is able to convince a victim using readelf to read a crafted file could trigger a stack buffer overflow, out-of-bounds write of arbitrary data supplied by the attacker. The highest impact of this flaw is to confidentiality, integrity, and availability.

Exploits (1)

nomisec WORKING POC 11 stars
by tin-z · poc
https://github.com/tin-z/CVE-2021-20294-POC

Scores

CVSS v3 7.8
EPSS 0.2271
EPSS Percentile 95.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
gnu/binutils 2.35 - 2.35.2
Published Apr 29, 2021
Tracked Since Feb 18, 2026