CVE-2022-44840 Memory corruption in n/a

High 7.8 Published 22 Aug 2023 Updated 3 Oct 2024

Heap buffer overflow in binutils readelf allows attackers to execute arbitrary code or cause denial of service via crafted ELF files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2022-44840?

CVE-2022-44840 is a high-severity memory corruption vulnerability in Gnu Binutils, published on 22 Aug 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Heap buffer overflow vulnerability in binutils readelf before 2.40 via function find_section_in_set in file readelf.c.

Weakness: CWE-787

Which versions are affected by CVE-2022-44840?

It affects 1 product.

Products include Gnu Binutils.

How do I fix CVE-2022-44840?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-44840 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-44840 exists.

All Gnu Binutils vulnerabilities

Sources

Also known as BELL-CVE-2022-44840, CLSA-2026-1776699147, DEBIAN-CVE-2022-44840, GHSA-6hf6-4792-jww6, UBUNTU-CVE-2022-44840.