GNU cflow Lexer c.c yylex buffer overflow_CVE-2025-8736

4.8 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Description

A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Basic Information

ID CVE-2025-8736

Source VulDB

Published Aug 8, 2025 at 19:02

Modified Aug 8, 2025 at 19:15

Affected Product

Vendor GNU

Product cflow

Version 1.0

Affected Versions GNU cflow 1.0
GNU cflow 1.1
GNU cflow 1.2
GNU cflow 1.3
GNU cflow 1.4
GNU cflow 1.5
GNU cflow 1.6
GNU cflow 1.7
GNU cflow 1.8

CWE Classification

CWE-120 CWE-119

References

{
    "lastseen": "",
    "description": "A vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.",
    "published": "2025-08-08T19:02:06.444Z",
    "modified": "2025-08-08T19:15:48.325Z",
    "type": "cve",
    "title": "GNU cflow Lexer c.c yylex buffer overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.319232\nhttps://vuldb.com/?ctiid.319232\nhttps://vuldb.com/?submit.622329\nhttps://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00001.html\nhttps://drive.google.com/file/d/17lkJ5bSiQZoXLTg3bK-rGBt3kahN9Xse/view?usp=drive_link\nhttps://www.gnu.org/",
    "id": "CVE-2025-8736",
    "bulletinFamily": "",
    "cwe": [
        "CWE-120",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "GNU cflow 1.0\nGNU cflow 1.1\nGNU cflow 1.2\nGNU cflow 1.3\nGNU cflow 1.4\nGNU cflow 1.5\nGNU cflow 1.6\nGNU cflow 1.7\nGNU cflow 1.8",
    "sourceHref": "",
    "cvss": {
        "score": 4.8,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "cflow",
    "version": "1.0",
    "vendor": "GNU",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}