A vulnerability classified as problematic was found in GNU cflow up to 1.8. Affected by this vulnerability is the function yylex of the file c.c of the component Lexer. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Local

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Gnu
  • Cflow

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References
Link Providers
https://drive.google.com/file/d/1Q_rDQSEl3cBu6SUbfqr9pV9cHgvKcXFI/view?usp=drive_link cve-icon cve-icon
https://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00000.html cve-icon cve-icon
https://vuldb.com/?ctiid.319231 cve-icon cve-icon
https://vuldb.com/?id.319231 cve-icon cve-icon
https://vuldb.com/?submit.622328 cve-icon cve-icon
https://www.gnu.org/ cve-icon cve-icon
History

Tue, 12 Aug 2025 08:00:00 +0000

Type Values Removed Values Added
First Time appeared Gnu
Gnu cflow
Vendors & Products Gnu
Gnu cflow

Fri, 08 Aug 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 08 Aug 2025 18:45:00 +0000

Type Values Removed Values Added
Description A vulnerability classified as problematic was found in GNU cflow up to 1.8. Affected by this vulnerability is the function yylex of the file c.c of the component Lexer. The manipulation leads to null pointer dereference. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
Title GNU cflow Lexer c.c yylex null pointer dereference
Weaknesses CWE-404
CWE-476
References
Metrics cvssV2_0

{'score': 1.7, 'vector': 'AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 3.3, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 4.8, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-08-08T18:32:06.777Z

Updated: 2025-08-08T18:45:30.466Z

Reserved: 2025-08-08T08:12:19.373Z

Link: CVE-2025-8735

cve-icon Vulnrichment

Updated: 2025-08-08T18:45:13.531Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-08-08T19:15:37.367

Modified: 2025-08-08T20:30:18.180

Link: CVE-2025-8735

cve-icon Redhat

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