CVE-2026-3442

MEDIUM

Red Hat Enterprise Linux 10 - Buffer Overflow

Title source: rule
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-3442. PoCs published by XiaomingX.

AI-analyzed exploit summary This repository contains a functional PoC exploit for CVE-2026-3442, which targets an out-of-bounds read vulnerability in GNU Binutils' BFD library when processing maliciously crafted ELF files with corrupted relocation sections. The exploit generates a malicious ELF file designed to trigger the vulnerability in affected versions of Binutils.

Description

A flaw was found in GNU Binutils. This vulnerability, a heap-based buffer overflow, specifically an out-of-bounds read, exists in the bfd linker component. An attacker could exploit this by convincing a user to process a specially crafted malicious XCOFF object file. Successful exploitation may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.

Exploits (1)

github WORKING POC 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-3442

This repository contains a functional PoC exploit for CVE-2026-3442, which targets an out-of-bounds read vulnerability in GNU Binutils' BFD library when processing maliciously crafted ELF files with corrupted relocation sections. The exploit generates a malicious ELF file designed to trigger the vulnerability in affected versions of Binutils.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: GNU Binutils <= 2.42
No auth needed
Prerequisites: GNU Binutils <= 2.42 installed on the target system · ability to deliver the malicious ELF file to the target
devstral-2 · analyzed Mar 16, 2026 Full analysis →

References (2)

Core 2
Core References
Vendor Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-3442
Vendor Advisory issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2443828

Scores

CVSS v3 6.1
EPSS 0.0023
EPSS Percentile 13.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (15)
gnu/binutils
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat Hardened Images 1
Red Hat/Red Hat OpenShift Container Platform 4
redhat/enterprise_linux 6.0
... and 5 more
Published Mar 16, 2026
Tracked Since Mar 16, 2026