HP Linux Imaging and Printing Software up to 3.26.3 heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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9.6$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in HP Linux Imaging and Printing Software up to 3.26.3. This issue affects some unknown processing. The manipulation results in heap-based overflow. This vulnerability is reported as CVE-2026-8631. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as very critical, was found in HP Linux Imaging and Printing Software up to 3.26.3. Affected is an unknown part. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when handling crafted print data.

The advisory is available at support.hp.com. This vulnerability is traded as CVE-2026-8631 since 05/14/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 08/02/2026).

The vulnerability scanner Nessus provides a plugin with the ID 316566 (Linux Distros Unpatched Vulnerability : CVE-2026-8631), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.26.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316566), EUVD (EUVD-2026-31193) and CERT Bund (WID-SEC-2026-1957). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316566
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-8631

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Linux Imaging and Printing Software 3.26.4

Timelineinfo

05/14/2026 CVE reserved
05/20/2026 +6 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
08/02/2026 +73 days VulDB entry last update

Sourcesinfo

Vendor: hp.com

Advisory: support.hp.com
Status: Confirmed

CVE: CVE-2026-8631 (🔒)

GCVE (CVE): GCVE-0-2026-8631
GCVE (VulDB): GCVE-100-364962
EUVD: 🔒
CERT Bund: WID-SEC-2026-1957 - Red Hat Enterprise Linux (openCryptoki, hplip, 389-ds-base): Mehrere Schwachstellen

Entryinfo

Created: 05/20/2026 23:16
Updated: 08/02/2026 00:23
Changes: 05/20/2026 23:16 (66), 05/21/2026 05:10 (1), 05/24/2026 01:45 (10), 05/26/2026 09:53 (2), 06/22/2026 04:33 (7), 08/02/2026 00:23 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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