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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-15003

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.

MEDIUM 5.6EPSS 0.11%

Does this matter?

Lower severity and a low EPSS score (0.11%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.6 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:H
EPSS
0.11% probability · 1th percentile
CISA KEV
Not listed
Weakness
CWE-125
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.