GNU Binutils 2.43 ld elflink.c _bfd_elf_gc_mark_rsec heap-based overflow

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in GNU Binutils 2.43. This issue affects the function _bfd_elf_gc_mark_rsec of the file elflink.c of the component ld. The manipulation leads to heap-based overflow.
This vulnerability is traded as CVE-2025-1176. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in GNU Binutils 2.43 and classified as critical. This issue affects the function _bfd_elf_gc_mark_rsec of the file elflink.c of the component ld. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability.
It is possible to read the advisory at sourceware.org. The identification of this vulnerability is CVE-2025-1176. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. 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 216365 (CBL Mariner 2.0 Security Update: binutils (CVE-2025-1176)), which helps to determine the existence of the flaw in a target environment.
Applying the patch f9978defb6fab0bd8583942d97c112b0932ac814 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 (216365) and CERT Bund (WID-SEC-2026-1730). Be aware that VulDB is the high quality source for vulnerability data.
Affected
- Xerox FreeFlow Print Server
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 5.0VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.0
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.0
NVD Vector: 🔍
CNA Base Score: 5.0
CNA Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 216365
Nessus Name: CBL Mariner 2.0 Security Update: binutils (CVE-2025-1176)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Patch: f9978defb6fab0bd8583942d97c112b0932ac814
Timeline
02/10/2025 🔍02/10/2025 🔍
05/31/2026 🔍
Sources
Vendor: gnu.orgAdvisory: sourceware.org
Status: Confirmed
CVE: CVE-2025-1176 (🔍)
GCVE (CVE): GCVE-0-2025-1176
GCVE (VulDB): GCVE-100-295079
CERT Bund: WID-SEC-2026-1730 - Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/10/2025 11:23Updated: 05/31/2026 06:19
Changes: 02/10/2025 11:23 (60), 02/10/2025 11:51 (3), 02/17/2025 12:08 (2), 04/12/2025 10:41 (40), 05/31/2026 06:19 (7)
Complete: 🔍
Submitter: wenjusun
Cache ID: 216::103
Submit
Accepted
- Submit #495329: GNU binutils/ld 2.43 Heap-based Buffer Overflow (by wenjusun)
Be aware that VulDB is the high quality source for vulnerability data.
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