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CVE-2025-7545: Heap-based Buffer Overflow in GNU Binutils

0
Medium
VulnerabilityCVE-2025-7545cvecve-2025-7545
Published: 07/13/2025 (07/13/2025, 21:44:08 UTC)
Source: CVE Database V5
Vendor/Project: GNU
Product: Binutils

Description

A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function copy_section of the file binutils/objcopy.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The patch is named 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. It is recommended to apply a patch to fix this issue.

CVSS v4.0

Score 4.8medium

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected software

Affected versions
2.45

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/15/2026, 11:20:14 UTC

Technical Analysis

GNU Binutils 2.45 contains a heap-based buffer overflow vulnerability in the copy_section function within binutils/objcopy.c. This vulnerability can be exploited locally to cause memory corruption. The issue has been publicly disclosed, and a patch is available (commit 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944) to fix the problem. The CVSS 4.0 vector indicates low attack complexity and privileges required, with no user interaction needed. The vulnerability affects version 2.45 of Binutils.

Potential Impact

Successful exploitation of this vulnerability could lead to heap-based buffer overflow, potentially causing program crashes or arbitrary code execution with local privileges. However, the attack requires local access and low privileges, limiting remote exploitation. The CVSS score of 4.8 reflects a medium severity impact.

Mitigation Recommendations

A patch is available for this vulnerability and should be applied promptly. The patch is identified by commit 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. Since this is not a cloud service vulnerability, users must update their GNU Binutils installation to a patched version to remediate the issue.

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Technical Details

Data Version
5.1
Assigner Short Name
VulDB
Date Reserved
2025-07-12T17:00:12.513Z
Cvss Version
4.0
State
PUBLISHED
Is Cloud Service
true

Threat ID: 68742ca0a83201eaacbf0c0b

Added to database: 07/13/2025, 22:01:04 UTC

Last enriched: 07/15/2026, 11:20:14 UTC

Last updated: 09/10/2026, 19:36:52 UTC

Views: 231

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