Name: CVE-2026-91104: Heap-based Buffer Overflow
Creator: Rapid7
Published: 2026-09-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-91104, CWE-122, CVSS 9.8, EPSS 0.01071

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: 9.3 (CRITICAL)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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-common	Oct 18, 2026	Oct 14, 2026
Alpine Linux	—	Upgrade hplip	Oct 20, 2026	Sep 16, 2026
Redhat_linux	—	Upgrade libsane-hpaio-debuginfoNo solution existsUpgrade hplip-commonUpgrade hplip-debuginfoUpgrade hplip-libs-debuginfoUpgrade hplipUpgrade hplip-libsUpgrade hplip-debugsourceUpgrade libsane-hpaio	Oct 5, 2026	Sep 16, 2026
Rocky_linux	—	Upgrade hplipUpgrade hplip-debugsourceUpgrade libsane-hpaioUpgrade libsane-hpaio-debuginfoUpgrade hplip-debuginfoUpgrade hplip-libs-debuginfoUpgrade hplip-commonUpgrade hplip-libs	Oct 19, 2026	Oct 15, 2026

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CVSS Details

Covered by Rapid7

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