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Vulnerabilities CVE-2026-15003

CVE-2026-15003

Medium
Open
TLP:CLEAR

Binutils: gnu binutils: heap-buffer-overflow in linker leads to information disclosure and denial of service

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Description

A flaw was found in the GNU Binutils (Binary Utilities) linker. This vulnerability, a heap-buffer-overflow read (CWE-125), occurs when the linker processes a specially crafted 32-bit XCOFF (Extended Common Object File Format) object file. An attacker could exploit this by providing a malicious file, leading to an out-of-bounds read of memory. This can result in information disclosure, potentially revealing sensitive heap data, and a Denial of Service (DoS) due to the linker crashing.

Details

CVSS Score
5.6
EPSS Score
0.11%

1.3th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H
Confidence
90%
Published
Jul 27, 2026
Last Modified
Jul 28, 2026
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