Critical [CVE-2026-14544 +1] Incomplete Fix for CVE-2026-8631
This critical-severity Red Hat Linux advisory covers CVE-2026-14544 and CVE-2026-8631 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 2 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.
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Summary
A flaw was found in HPLIP (HP Linux Imaging and Printing Software). This vulnerability, an incomplete fix for CVE-2026-8631, may allow a remote attacker to escalate privileges or achieve arbitrary code execution.
This can occur through an integer overflow in the hpcups processing path when handling specially crafted print data. A remote attacker who can submit print job content to the hpcups filter path may achieve arbitrary code execution or privilege escalation within user used for starting filters (user 'lp' by default) on systems using HPLIP for printing.
Red Hat severity: Important — CVSS 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-190.
Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2026:39976, RHSA-2026:40894, RHSA-2026:40831.
Affected products named by the advisory: Red Hat package: hplip.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
- hplip-0:3.23.12-10.el10_2.5
- hplip-0:3.18.4-14.el8_10
- hplip-0:3.21.2-6.el9_8.5
- RHSA-2026:39976
- RHSA-2026:40894
- RHSA-2026:40831
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
Mitigation checklist
- To mitigate this vulnerability, consider restricting access to the printing services to trusted users and networks. If HPLIP is not required, removing the `hplip` package can eliminate the exposure. Note that removing `hplip` may affect printing functionality.
Official advisory · high-confidence parse· fetched 12 days ago·verify at source
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