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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-8734 Detail

Disputed     

Description

A vulnerability has been found in GNU Bison up to 3.8.2. This impacts the function code_free of the file src/scan-code.c. The manipulation leads to double free. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The actual existence of this vulnerability is currently in question. The issue could not be reproduced from a GNU Bison 3.8.2 tarball run in a Fedora 42 container.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 4.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://drive.google.com/file/d/123Qe44FaC-GP88dWNl9-6H4jLWUcXYNZ/view?usp=drive_link VulDB
https://github.com/akimd/bison/issues/115 VulDB
https://vuldb.com/?ctiid.319230 VulDB
https://vuldb.com/?id.319230 VulDB
https://vuldb.com/?submit.622300 VulDB
https://www.gnu.org/ VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  
CWE-415 Double Free VulDB  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-8734
NVD Published Date:
08/08/2025
NVD Last Modified:
08/19/2025
Source:
VulDB