CVE-2026-3282

libvips unpremultiply.c vips_unpremultiply_build out-of-bounds

HIGH
7.1
CVSS Score
Published: February 27, 2026 at 02:32 AM UTC
Updated: June 17, 2026 at 10:43 AM UTC
1 product affected across 1 vendorLibvips

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A flaw has been found in libvips 8.19.0. This vulnerability affects the function vips_unpremultiply_build of the file libvips/conversion/unpremultiply.c. Executing a manipulation of the argument alpha_band can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been published and may be used. This patch is called 7215ead1e0cd7d3703cc4f5fca06d7d0f4c22b91. A patch should be applied to remediate this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (8)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.348011
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.348011
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.758862
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/libvips/libvips/issues/4881
Issue TrackingPatch
Source: cverecord
https://github.com/libvips/libvips/pull/4886
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/libvips/libvips/issues/4881#issue-3944216443
Product
Source: cverecord
https://github.com/libvips/libvips/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125CWE-119

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