5.5
MEDIUM CVSS 3.1
CVE-2025-11495
GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow
Description

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.

INFO

Published Date :

Oct. 8, 2025, 8:15 p.m.

Last Modified :

Oct. 14, 2025, 3:28 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-11495 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Gnu binutils
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Apply the provided patch to the GNU Binutils Linker component to fix a heap-based buffer overflow vulnerability.
  • Deploy the patch for GNU Binutils 2.45.
  • Update the elf64-x86-64.c file.
  • Address the buffer overflow in the linker.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-11495.

URL Resource
https://sourceware.org/bugzilla/attachment.cgi?id=16393 Broken Link
https://sourceware.org/bugzilla/show_bug.cgi?id=33502 Exploit Issue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3 Exploit Issue Tracking
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0 Patch
https://vuldb.com/?ctiid.327620 Permissions Required VDB Entry
https://vuldb.com/?id.327620 Third Party Advisory VDB Entry
https://vuldb.com/?submit.668290 Third Party Advisory VDB Entry
https://www.gnu.org/ Product
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-11495 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-11495 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-11495 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 14, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CPE Configuration OR *cpe:2.3:a:gnu:binutils:2.45:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://sourceware.org/bugzilla/attachment.cgi?id=16393 Types: Broken Link
    Added Reference Type VulDB: https://sourceware.org/bugzilla/show_bug.cgi?id=33502 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3 Types: Exploit, Issue Tracking
    Added Reference Type VulDB: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0 Types: Patch
    Added Reference Type VulDB: https://vuldb.com/?ctiid.327620 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.327620 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.668290 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://www.gnu.org/ Types: Product
  • New CVE Received by [email protected]

    Oct. 08, 2025

    Action Type Old Value New Value
    Added Description A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-122
    Added Reference https://sourceware.org/bugzilla/attachment.cgi?id=16393
    Added Reference https://sourceware.org/bugzilla/show_bug.cgi?id=33502
    Added Reference https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3
    Added Reference https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0
    Added Reference https://vuldb.com/?ctiid.327620
    Added Reference https://vuldb.com/?id.327620
    Added Reference https://vuldb.com/?submit.668290
    Added Reference https://www.gnu.org/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.8
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 1.7
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact