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CVE-2025-9903

Quick assessment

Affected
Canon Inc. Generic Plus PCL6 Printer Driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canon Generic Plus PCL6 Printer Driver等都是日本佳能（Canon）公司的一款打印机驱动程序。 Canon多款产品存在安全漏洞，该漏洞源于打印处理中存在越界写入。以下产品受到影响：Generic Plus PCL6 Printer Driver、Generic Plus UFR II Printer Driver、Generic Plus LIPS4 Printer Driver、Generic Plus LIPSLX Printer Driver和Generic Pl

CVSS 5.9 · Medium EPSS 0.36% · P27

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-9903

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds write vulnerabilities in print processing of Generic Plus PCL6 Printer Driver / Generic Plus UFR II Printer Driver / Generic Plus LIPS4 Printer Driver / Generic Plus LIPSLX Printer Driver / Generic Plus PS Printer Driver / UFRII LT Printer Driver / CARPS2 Printer Driver / Generic FAX Driver / LIPS4 Printer Driver / LIPSLX Printer Driver / UFR II Printer Driver / PS Printer Driver / PCL6 Printer Driver
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Canon多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canon Generic Plus PCL6 Printer Driver等都是日本佳能（Canon）公司的一款打印机驱动程序。 Canon多款产品存在安全漏洞，该漏洞源于打印处理中存在越界写入。以下产品受到影响：Generic Plus PCL6 Printer Driver、Generic Plus UFR II Printer Driver、Generic Plus LIPS4 Printer Driver、Generic Plus LIPSLX Printer Driver和Generic Pl
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Canon Inc. Generic Plus PCL6 Printer Driver 3.30 and earlier -
Canon Inc. Generic Plus UFR II Printer Driver 3.30 and earlier -
Canon Inc. Generic Plus LIPS4 Printer Driver 3.30 and earlier -
Canon Inc. Generic Plus LIPSLX Printer Driver 3.30 and earlier -
Canon Inc. Generic Plus PS Printer Driver 3.30 and earlier -
Canon Inc. UFRII LT Printer Driver 31.05 and earlier -
Canon Inc. CARPS2 Printer Driver 31.05 and earlier -
Canon Inc. Generic FAX Driver 10.67 and earlier -
Canon Inc. LIPS4 Printer Driver 15.00 and earlier -
Canon Inc. LIPSLX Printer Driver 15.00 and earlier -
Canon Inc. UFR II Printer Driver 15.00 and earlier -
Canon Inc. PS Printer Driver 15.00 and earlier -
Canon Inc. PCL6 Printer Driver 15.00 and earlier -

II. Public POCs for CVE-2025-9903

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III. Intelligence Information for CVE-2025-9903

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Vendor Advisories for CVE-2025-9903 (1)

Same Patch Batch · Canon Inc. · 2025-09-29 · 3 CVEs total

CVE-2025-7698 5.9 MEDIUM Canon多款产品 安全漏洞
CVE-2025-9904 5.3 MEDIUM Canon多款产品 安全漏洞

IV. Related Vulnerabilities

Same product: Generic Plus PCL6 Printer Driver
Same vendor: Canon Inc.
Same weakness: CWE-787

V. Comments for CVE-2025-9903

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