CVE-2026-91098: CWE-122 Heap-based buffer overflow in HP Inc. HP Linux Imaging and Printing Software (HPLIP)
CVE-2026-91098 is a high-severity heap-based buffer overflow vulnerability in HP Linux Imaging and Printing Software (HPLIP). It affects versions from 0 up to but not including 3.26.6. The vulnerability could allow remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions. HP has identified and remediated this issue.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-91098 and classified under CWE-122 (heap-based buffer overflow), affects HP Linux Imaging and Printing Software (HPLIP) versions >=0 and <3.26.6. The flaw could be exploited remotely without privileges or user interaction, potentially leading to severe impacts including remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The CVSS 4.0 base score is 8.6, indicating high severity. HP has addressed and remediated multiple vulnerabilities including this one in HPLIP.
Potential Impact
Successful exploitation can lead to remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The vulnerability is remotely exploitable without privileges or user interaction, increasing its risk.
Mitigation Recommendations
HP has remediated this vulnerability in HPLIP version 3.26.6. Users should upgrade to version 3.26.6 or later to mitigate this issue. No cloud service remediation applies as this is on-premises software.
CVE-2026-91098: CWE-122 Heap-based buffer overflow in HP Inc. HP Linux Imaging and Printing Software (HPLIP)
Description
CVE-2026-91098 is a high-severity heap-based buffer overflow vulnerability in HP Linux Imaging and Printing Software (HPLIP). It affects versions from 0 up to but not including 3.26.6. The vulnerability could allow remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions. HP has identified and remediated this issue.
CVSS v4.0
Score 8.6high
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-2026-91098 and classified under CWE-122 (heap-based buffer overflow), affects HP Linux Imaging and Printing Software (HPLIP) versions >=0 and <3.26.6. The flaw could be exploited remotely without privileges or user interaction, potentially leading to severe impacts including remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The CVSS 4.0 base score is 8.6, indicating high severity. HP has addressed and remediated multiple vulnerabilities including this one in HPLIP.
Potential Impact
Successful exploitation can lead to remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification. The vulnerability is remotely exploitable without privileges or user interaction, increasing its risk.
Mitigation Recommendations
HP has remediated this vulnerability in HPLIP version 3.26.6. Users should upgrade to version 3.26.6 or later to mitigate this issue. No cloud service remediation applies as this is on-premises software.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hp
- Date Reserved
- 2026-09-14T19:13:23.919Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aaae7b755bf5e2cf5087556
Added to database: 09/16/2026, 19:02:15 UTC
Last enriched: 09/16/2026, 19:16:27 UTC
Last updated: 09/16/2026, 19:21:34 UTC
Views: 4
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