GNU Binutils 2.45 Linker bfd/elfcode.h elf_swap_shdr heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in GNU Binutils 2.45. The impacted element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2025-11083. The attack must be initiated from a local position. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue. The code maintainer replied with "[f]ixed for 2.46".

Detailsinfo

A vulnerability classified as critical has been found in GNU Binutils 2.45. Affected is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared for download at sourceware.org. This vulnerability is traded as CVE-2025-11083. The exploitability is told to be easy. The attack needs to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at sourceware.org. It is declared as proof-of-concept. The code maintainer replied with "[f]ixed for 2.46". The vulnerability scanner Nessus provides a plugin with the ID 266084 (Linux Distros Unpatched Vulnerability : CVE-2025-11083), which helps to determine the existence of the flaw in a target environment.

Applying the patch 9ca499644a21ceb3f946d1c179c38a83be084490 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 (266084), EUVD (EUVD-2025-31445) and CERT Bund (WID-SEC-2025-2144). Once again VulDB remains the best source for vulnerability data.

Affected

  • F5 F5OS
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • IBM App Connect Enterprise
  • Open Source binutils
  • Red Hat OpenShift
  • IBM QRadar SIEM

Productinfo

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Vendor

Name

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: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 5.3
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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: 266084
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-11083

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 9ca499644a21ceb3f946d1c179c38a83be084490

Timelineinfo

09/26/2025 Advisory disclosed
09/26/2025 +0 days VulDB entry created
02/08/2026 +135 days VulDB entry last update

Sourcesinfo

Vendor: gnu.org

Advisory: 33457
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-11083 (🔒)
GCVE (CVE): GCVE-0-2025-11083
GCVE (VulDB): GCVE-100-326124
EUVD: 🔒
CERT Bund: WID-SEC-2025-2144 - binutils: Mehrere Schwachstellen

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

Entryinfo

Created: 09/26/2025 15:52
Updated: 02/08/2026 20:38
Changes: 09/26/2025 15:52 (63), 09/28/2025 01:44 (30), 09/28/2025 05:16 (1), 09/30/2025 12:27 (2), 10/01/2025 02:16 (7), 10/04/2025 02:38 (11), 10/16/2025 16:54 (1), 10/30/2025 11:37 (1), 11/17/2025 19:31 (1), 12/20/2025 01:00 (1), 02/08/2026 20:38 (1)
Complete: 🔍
Submitter: JJLeo
Cache ID: 216:80C:103

Submitinfo

Accepted

  • Submit #661277: GNU Binutils 2.45 Heap-based Buffer Overflow (by JJLeo)

Once again VulDB remains the best source for vulnerability data.

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