Memory corruption via out-of-bounds print-processing write
Published Sep 29, 2025 · Updated Sep 29, 2025
Out-of-bounds writes in Canon Generic Plus printer drivers 3.30 and earlier allow attackers to corrupt memory through malicious print processing. Canon identifies print processing as the vulnerable locus but has not disclosed the affected parser, input structure, or unchecked write operation. Exploitation requires a malicious application, active user interaction, and additional conditions; successful abuse corrupts process memory and can execute malicious code.
Summary
What happened
Out-of-bounds writes in Canon Generic Plus printer drivers 3.30 and earlier allow attackers to corrupt memory through malicious print processing. Canon identifies print processing as the vulnerable locus but has not disclosed the affected parser, input structure, or unchecked write operation. Exploitation requires a malicious application, active user interaction, and additional conditions; successful abuse corrupts process memory and can execute malicious code.
The record
- CVE
- CVE-2025-9903
- Published
- Sep 29, 2025
- Updated
- Sep 29, 2025
- Vendor
- Canon Inc.
- Product
- Generic Plus LIPSLX Printer Driver
- Classifications
- CWE-787, T1204
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 29, 2025CVE publishedPublication date reported by the CVE source.
- Sep 29, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=3.30 and earlier
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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