Name: CVE-2026-91103: Integer Underflow (Wrap or Wraparound)
Creator: Rapid7
Published: 2026-09-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-91103, CWE-191, CVSS 9.8, EPSS 0.00964

HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions.

CVSS Details

CVSS 4.0 Base Score: 5.1 (MEDIUM)
CVSS 4.0 Vector: (CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade hplip-libsUpgrade hplipUpgrade libsane-hpaioUpgrade hplip-guiUpgrade hplip-common	Oct 18, 2026	Oct 14, 2026
Alpine Linux	—	Upgrade hplip	Oct 20, 2026	Sep 16, 2026
Oracle_linux	—	Upgrade hplipUpgrade hplip-commonUpgrade libsane-hpaioUpgrade hplip-libsUpgrade hplip-gui	Oct 22, 2026	Sep 16, 2026
Redhat_linux	—	Upgrade hplip-commonUpgrade hplipNo solution existsUpgrade hplip-debugsourceUpgrade libsane-hpaio-debuginfoUpgrade libsane-hpaioUpgrade hplip-debuginfoUpgrade hplip-libsUpgrade hplip-guiUpgrade hplip-libs-debuginfo	Sep 21, 2026	Sep 16, 2026
Rocky_linux	—	Upgrade hplip-debugsourceUpgrade libsane-hpaioUpgrade hplipUpgrade libsane-hpaio-debuginfoUpgrade hplip-libsUpgrade hplip-libs-debuginfoUpgrade hplip-debuginfoUpgrade hplip-common	Oct 19, 2026	Oct 15, 2026

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