CVE-2026-6846
Analyzed
Analyzed - Analysis Complete
Heap Buffer Overflow in binutils XCOFF Linking Enables Code Execution
Publication date: 2026-04-22
Last updated on: 2026-05-20
Assigner: Red Hat, Inc.
Description
Description
A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| redhat | enterprise_linux | 6.0 |
| redhat | enterprise_linux | 8.0 |
| redhat | openshift_container_platform | 4.0 |
| redhat | enterprise_linux | 9.0 |
| redhat | enterprise_linux | 10.0 |
| gnu | binutils | to 2.46 (inc) |
| redhat | hardened_images | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
Attack-Flow Graph
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