libvips 8.19.0 unpremultiply.c vips_unpremultiply_build alpha_band out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.64

Summaryinfo

A vulnerability classified as problematic has been found in libvips 8.19.0. This issue affects the function vips_unpremultiply_build of the file libvips/conversion/unpremultiply.c. The manipulation of the argument alpha_band leads to out-of-bounds. This vulnerability is documented as CVE-2026-3282. The attack needs to be performed locally. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in libvips 8.19.0. It has been rated as problematic. This issue affects the function vips_unpremultiply_build of the file libvips/conversion/unpremultiply.c. The manipulation of the argument alpha_band with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-3282. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 300282 (Linux Distros Unpatched Vulnerability : CVE-2026-3282), which helps to determine the existence of the flaw in a target environment.

Applying the patch 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (300282). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 300282
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-3282

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91

Timelineinfo

02/26/2026 Advisory disclosed
02/26/2026 +0 days VulDB entry created
03/03/2026 +5 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4881
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-3282 (🔒)
GCVE (CVE): GCVE-0-2026-3282
GCVE (VulDB): GCVE-100-348011
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/26/2026 17:38
Updated: 03/03/2026 14:10
Changes: 02/26/2026 17:38 (60), 03/03/2026 04:54 (2), 03/03/2026 14:10 (42)
Complete: 🔍
Submitter: Niebelungen
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #758862: libvips 8.19.0(7fab325d2) Out-of-Bounds Read (by Niebelungen)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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