GNU Binutils 2.45 bfd/elf.c bfd_elf_set_group_contents out-of-bounds write

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in GNU Binutils 2.45. Impacted is the function bfd_elf_set_group_contents of the file bfd/elf.c. Such manipulation leads to out-of-bounds write. This vulnerability is traded as CVE-2025-7546. An attack has to be approached locally. Furthermore, there is an exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45. Affected by this issue is the function bfd_elf_set_group_contents of the file bfd/elf.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at sourceware.org. This vulnerability is handled as CVE-2025-7546. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a public exploit are known.

The exploit is available at sourceware.org. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 242877 (Fedora 41 : mingw-binutils (2025-200da46dc6)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 41461010eb7c79fee7a9d5f6209accdaac66cc6b 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 (242877), EUVD (EUVD-2025-21277) and CERT Bund (WID-SEC-2025-1543). Once again VulDB remains the best source for vulnerability data.

Affected

  • Amazon Linux 2
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Open Source binutils

Productinfo

Type

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 242877
Nessus Name: Fedora 41 : mingw-binutils (2025-200da46dc6)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 41461010eb7c79fee7a9d5f6209accdaac66cc6b

Timelineinfo

07/12/2025 🔍
07/12/2025 +0 days 🔍
12/02/2025 +143 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: 33050
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2025-7546 (🔍)
GCVE (CVE): GCVE-0-2025-7546
GCVE (VulDB): GCVE-100-316244
EUVD: 🔍
CERT Bund: WID-SEC-2025-1543 - binutils: Mehrere Schwachstellen ermöglichen Denial of Service

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

Entryinfo

Created: 07/12/2025 19:05
Updated: 12/02/2025 10:03
Changes: 07/12/2025 19:05 (61), 07/14/2025 01:34 (30), 07/14/2025 01:43 (1), 07/14/2025 19:01 (1), 07/14/2025 20:29 (7), 07/27/2025 19:44 (2), 07/30/2025 21:36 (20), 08/27/2025 19:31 (1), 10/30/2025 11:37 (1), 12/02/2025 10:03 (1)
Complete: 🔍
Submitter: arthurx
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #614375: GNU binutils--gdb 2.45 Out-of-bounds Write (by arthurx)

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!