# What is CVE-2023-44216?

> CVE-2023-44216 is a medium-severity flaw (CVSS 5.3) in Android from Google, published on 27 September 2023. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 1.7%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2023-44216

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 42 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** Medium (CVSS 5.3 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 1.7% (latest exploit-likelihood forecast)
- **Published:** 27 September 2023
- **Record last updated:** 5 October 2023
- **Main product:** Android from Google
- **Affected products:** 16

## What is CVE-2023-44216? In plain terms

It can be attacked from anywhere on the internet without logging in, but a person has to take an action first. If it works, the attacker can read data.

### The official 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 kind of flaw is it?

- CWE-203: Observable Discrepancy

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Hard: conditions must line up
- Login needed first: No login needed
- Does someone have to click: Yes, a person has to take an action
- What an attacker gets: Can read data

Severity vector: `CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N`

## Is CVE-2023-44216 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.7%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 1.7%, 1.7%, 1.7%, 1.7%, 1.7%, 1.7%, 1.7%.

### Timeline

- 27 September 2023: Published
- 5 October 2023: Record last updated

### How Precursor Intelligence ranks it

CVE-2023-44216 scores **42 out of 100 (Medium)**, with the action "Plan remediation".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2023-44216?

The published record lists 16 products.

- [Android](https://www.precursorintelligence.com/product/google/android) by [Google](https://www.precursorintelligence.com/vendors/google) (Operating system): 13.0
- [Core I7-10510u](https://www.precursorintelligence.com/product/intel/core_i7-10510u) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Core I7-10610u](https://www.precursorintelligence.com/product/intel/core_i7-10610u) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Core I7-11800h](https://www.precursorintelligence.com/product/intel/core_i7-11800h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Core I7-12700k](https://www.precursorintelligence.com/product/intel/core_i7-12700k) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Core I7-8700](https://www.precursorintelligence.com/product/intel/core_i7-8700) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Geforce Rtx 2080 Super](https://www.precursorintelligence.com/product/nvidia/geforce_rtx_2080_super) by [Nvidia](https://www.precursorintelligence.com/vendors/nvidia) (Hardware): version not specified
- [Geforce Rtx 3060](https://www.precursorintelligence.com/product/nvidia/geforce_rtx_3060) by [Nvidia](https://www.precursorintelligence.com/vendors/nvidia) (Hardware): version not specified
- [M1 Mac Mini](https://www.precursorintelligence.com/product/apple/m1_mac_mini) by [Apple](https://www.precursorintelligence.com/vendors/apple) (Hardware): version not specified
- [macOS](https://www.precursorintelligence.com/product/apple/macos) by [Apple](https://www.precursorintelligence.com/vendors/apple) (Operating system): 13.1
- [Pixel 6](https://www.precursorintelligence.com/product/google/pixel_6) by [Google](https://www.precursorintelligence.com/vendors/google) (Hardware): version not specified
- [Ryzen 5 7600x](https://www.precursorintelligence.com/product/amd/ryzen_5_7600x) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified
- [Ryzen 7 4800u](https://www.precursorintelligence.com/product/amd/ryzen_7_4800u) by [Amd](https://www.precursorintelligence.com/vendors/amd) (Hardware): version not specified
- [Ubuntu Linux](https://www.precursorintelligence.com/product/canonical/ubuntu_linux) by [Canonical](https://www.precursorintelligence.com/vendors/canonical) (Operating system): 22.04
- [Windows 10](https://www.precursorintelligence.com/product/microsoft/windows_10) by [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) (Operating system): version not specified
- [Windows 11](https://www.precursorintelligence.com/product/microsoft/windows_11) by [Microsoft](https://www.precursorintelligence.com/vendors/microsoft) (Operating system): version not specified

## How do I fix CVE-2023-44216?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the latest update from the vendor. The references list where the vendor has published details.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [arstechnica.com](https://arstechnica.com/security/2023/09/gpus-from-all-major-suppliers-are-vulnerable-to-new-pixel-stealing-attack/) (Press/media coverage, Third-party advisory)
- [blog.imaginationtech.com](https://blog.imaginationtech.com/introducing-pvric4-taking-image-compression-to-the-next-level/) (Press/media coverage)
- [blog.imaginationtech.com](https://blog.imaginationtech.com/reducing-bandwidth-pvric/) (Press/media coverage)
- [github.com](https://github.com/UT-Security/gpu-zip) (Third-party advisory)
- [news.ycombinator.com](https://news.ycombinator.com/item?id=37663159) (Issue tracking)
- [bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/modern-gpus-vulnerable-to-new-gpuzip-side-channel-attack/) (Press/media coverage)
- [hertzbleed.com](https://www.hertzbleed.com/gpu.zip/) (Technical description)
- [hertzbleed.com](https://www.hertzbleed.com/gpu.zip/GPU-zip.pdf) (Exploit)
- [w3.org](https://www.w3.org/TR/filter-effects-1/) (Exploit)

## Questions

### What is CVE-2023-44216?

CVE-2023-44216 is a medium-severity flaw in Android from Google, published on 27 September 2023. It can be attacked from anywhere on the internet without logging in, but a person has to take an action first. If it works, the attacker can read data.

### How serious is CVE-2023-44216?

It scores 5.3 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2023-44216 is 42 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2023-44216 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 1.7%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2023-44216 affect?

For Android from Google: 13.0. The record lists 16 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2023-44216?

Install the update the vendor names in its advisory. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2023-44216 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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