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
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| 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
KEV
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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