GNU Binutils 2.45 Linker bfd/elfxx-x86.c _bfd_x86_elf_late_size_sections out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.1$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU Binutils 2.45. It has been classified as problematic. The affected element is the function _bfd_x86_elf_late_size_sections of the file bfd/elfxx-x86.c of the component Linker. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2025-11494. The attack can only be executed locally. Furthermore, there is an exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function _bfd_x86_elf_late_size_sections of the file bfd/elfxx-x86.c of the component Linker. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability.

It is possible to read the advisory at sourceware.org. This vulnerability is known as CVE-2025-11494. The exploitation appears to be easy. Attacking locally is a requirement. Technical details and also a public exploit are known.

It is possible to download the exploit at sourceware.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 270764 (Fedora 42 : mingw-binutils (2025-10c80b93e9)), which helps to determine the existence of the flaw in a target environment.

Applying the patch b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a is able to eliminate this problem. The bugfix is ready for download at sourceware.org.

The vulnerability is also documented in the databases at Tenable (270764) and CERT Bund (WID-SEC-2025-2241). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Fedora Linux
  • SUSE Linux
  • Open Source binutils

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.1

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 270764
Nessus Name: Fedora 42 : mingw-binutils (2025-10c80b93e9)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a

Timelineinfo

10/08/2025 Advisory disclosed
10/08/2025 +0 days VulDB entry created
11/17/2025 +40 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 33499
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-11494 (🔒)
GCVE (CVE): GCVE-0-2025-11494
GCVE (VulDB): GCVE-100-327619
CERT Bund: WID-SEC-2025-2241 - binutils: Schwachstelle ermöglicht Denial of Service

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/08/2025 15:35
Updated: 11/17/2025 21:46
Changes: 10/08/2025 15:35 (63), 10/09/2025 18:00 (30), 10/10/2025 07:58 (7), 10/19/2025 16:21 (2), 11/17/2025 21:46 (1)
Complete: 🔍
Submitter: Yifan Zhang
Cache ID: 216::103

Submitinfo

Accepted

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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