CVE-2026-3442
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Heap-Based Buffer Overflow in GNU Binutils bfd Linker Causes DoS

Publication date: 2026-03-16

Last updated on: 2026-03-20

Assigner: Red Hat, Inc.

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.
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Meta Information
Published
2026-03-16
Last Modified
2026-03-20
Generated
2026-06-16
AI Q&A
2026-03-16
EPSS Evaluated
2026-06-14
NVD
EUVD
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
redhat enterprise_linux 7.0
redhat enterprise_linux 6.0
redhat enterprise_linux 8.0
redhat openshift_container_platform 4.0
redhat enterprise_linux 9.0
gnu binutils *
redhat enterprise_linux 10.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Executive Summary

This vulnerability is a heap-based buffer overflow, specifically an out-of-bounds read, found in the bfd linker component of GNU Binutils. It occurs when a user processes a specially crafted malicious XCOFF object file.

Impact Analysis

Exploitation of this vulnerability may lead to the disclosure of sensitive information or cause the application to crash, resulting in an application level denial of service.

Compliance Impact

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Detection Guidance

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