CVE-2026-91097: CWE-787 Out-of-bounds write in HP Inc. HP Linux Imaging and Printing Software (HPLIP)
CVE-2026-91097 is a high-severity vulnerability in HP Linux Imaging and Printing Software (HPLIP) involving an out-of-bounds write (CWE-787). It affects versions prior to 3.26.6 and could allow remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions. HP has identified and remediated multiple vulnerabilities in HPLIP, including this one.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-91097, is an out-of-bounds write flaw in HP Linux Imaging and Printing Software (HPLIP). The issue could be exploited remotely without privileges or user interaction to cause various impacts such as remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The affected versions are all releases prior to 3.26.6. HP has acknowledged and remediated this and other related vulnerabilities in HPLIP.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code, escalate privileges, cause denial of service, disclose sensitive information, or modify files without authorization. The CVSS 4.0 base score is 7 (high), reflecting the significant potential impact on confidentiality, integrity, and availability.
Mitigation Recommendations
HP has remediated this vulnerability in HPLIP version 3.26.6. Users and administrators should upgrade to version 3.26.6 or later to address this issue. No information about alternative mitigations or workarounds is provided. Patch status is confirmed by the vendor advisory indicating the fix is available in 3.26.6.
CVE-2026-91097: CWE-787 Out-of-bounds write in HP Inc. HP Linux Imaging and Printing Software (HPLIP)
Description
CVE-2026-91097 is a high-severity vulnerability in HP Linux Imaging and Printing Software (HPLIP) involving an out-of-bounds write (CWE-787). It affects versions prior to 3.26.6 and could allow remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions. HP has identified and remediated multiple vulnerabilities in HPLIP, including this one.
CVSS v4.0
Score 7.0high
Affected software
HP Inc.
HP Linux Imaging and Printing Software (HPLIP)
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, tracked as CVE-2026-91097, is an out-of-bounds write flaw in HP Linux Imaging and Printing Software (HPLIP). The issue could be exploited remotely without privileges or user interaction to cause various impacts such as remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The affected versions are all releases prior to 3.26.6. HP has acknowledged and remediated this and other related vulnerabilities in HPLIP.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthenticated remote attacker to execute arbitrary code, escalate privileges, cause denial of service, disclose sensitive information, or modify files without authorization. The CVSS 4.0 base score is 7 (high), reflecting the significant potential impact on confidentiality, integrity, and availability.
Mitigation Recommendations
HP has remediated this vulnerability in HPLIP version 3.26.6. Users and administrators should upgrade to version 3.26.6 or later to address this issue. No information about alternative mitigations or workarounds is provided. Patch status is confirmed by the vendor advisory indicating the fix is available in 3.26.6.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hp
- Date Reserved
- 2026-09-14T19:13:23.918Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aaae7b755bf5e2cf5087555
Added to database: 09/16/2026, 19:02:15 UTC
Last enriched: 09/16/2026, 19:16:31 UTC
Last updated: 09/16/2026, 19:21:35 UTC
Views: 3
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