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CVE-2026-65587unknown

GPU DDK - OOB write in CalculateNPOTTwiddleSparsePageMap via TEXTURE_BASE_LEVEL change

Impact

Imagination Technologies' Graphics DDK versions 1.18 RTM2, 23.2 RTM2, 24.2 RTM2, 25.1 RTM2 to 25.3 RTM, and 26.1 RTM1 have an out-of-bounds write weakness. A web page with unusual WebGPU content can trigger memory corruption and a possible browser or GPU process crash. The issue occurs in the CalculateNPOTTwiddleSparsePageMap function via a TEXTURE_BASE_LEVEL change.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Imagination Technologies · imaginationtech

Graphics DDK

6 ranges
imaginationtech version evidence
Platforms: Linux, Android

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affected

1.18 RTM2

custom versions

23.2 RTM2

custom versions

24.2 RTM2

custom versions

25.1 RTM2 → through 25.3 RTM

custom versions

26.1 RTM1

custom versions

unaffected

26.2 RTM

custom versions

unknown

Other versions: unknown

Original source description

A web page that contains unusual WebGPU content loaded into the GPU GLES render process can trigger an OOB write in the GPU user-space driver, leading to memory corruption and possible browser/GPU process crash.

The software writes data past the end of an intended memory offset. Writing outside the bounds of allocated memory can corrupt adjacent memory, crash the process, or cause undefined behaviour.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-65587

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-787 ↗

CWE-787: Out-of-bounds Write

imaginationtech

Related →
Contributing organizations · 1
imaginationtech

Assigning organization

2026-10-30

What changed

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References

1 sources
www.imaginationtech.com/gpu-driver-vulnerabilities/
Security advisoryimaginationtech