# CVE-2023-28902: Denial of Service via integer underflow in picserver

> An integer underflow in the image processing binary allows local attackers to cause denial-of-service in the vehicle's infotainment system.

- **Severity:** Low 3.3 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 28 Jun 2025
- **Updated:** 30 Jun 2025
- **Also known as:** GHSA-5qmq-gv7w-45x3

## What is CVE-2023-28902?

CVE-2023-28902 is a low-severity vulnerability in Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB, published on 28 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

An integer underflow in the image processing binary of the MIB3 infotainment unit allows an attacker with local access to the vehicle to cause denial-of-service of the infotainment system.
The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM part number 3V0035820. The list of affected MIB3 OEM part numbers is provided in the referenced resources.

Weakness: CWE-191 (Integer Underflow (Wrap or Wraparound))

## Which versions are affected by CVE-2023-28902?


## How do I fix CVE-2023-28902?

No fix has been published for CVE-2023-28902 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28902 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28902 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28902 and fix it if it is affected.

What it is: CVE-2023-28902 is a low-severity vulnerability in Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB, published on 28 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28902 exists.

Affected product: Preh Car Connect GmbH (JOYNEXT GmbH) Volkswagen MIB3 infotainment system MIB3 OI MQB. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-28902/ (Markdown: https://insights.sbomify.com/CVE-2023-28902/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28902
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28902
- OSV: https://osv.dev/vulnerability/CVE-2023-28902

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-28902/
Summaries are generated and may contain mistakes; the official description above is the record.