# CVE-2021-28569: Adobe Media Encoder VOB file parsing out-of-bounds read could lead to information disclosure vulnerability

> An attacker can disclose sensitive memory information by tricking a user into opening a malicious VOB file in Adobe Media Encoder.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 8 Sep 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-xv49-7846-mhm4

## What is CVE-2021-28569?

CVE-2021-28569 is a medium-severity vulnerability in Adobe Media Encoder, published on 8 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Adobe Media Encoder version 15.1 (and earlier) is affected by an Out-of-bounds Read vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2021-28569?

It affects 1 product.


Products: Adobe Media Encoder.

## How do I fix CVE-2021-28569?

No fix has been published for CVE-2021-28569 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-28569 being exploited?

There is no known exploitation of CVE-2021-28569 in the wild and no public exploit code.

## Other vulnerabilities in Adobe Media Encoder

- [CVE-2019-8246](https://insights.sbomify.com/CVE-2019-8246/): Memory corruption in Adobe Media Encoder (critical 9.8)
- [CVE-2019-7842](https://insights.sbomify.com/CVE-2019-7842/): Use after free in Adobe Media Encoder (high 8.8)
- [CVE-2026-47971](https://insights.sbomify.com/CVE-2026-47971/): Media Encoder | Stack-based Buffer Overflow (CWE-121) (high 7.8)
- [CVE-2026-47976](https://insights.sbomify.com/CVE-2026-47976/): Media Encoder | Out-of-bounds Write (CWE-787) (high 7.8)
- [CVE-2026-48366](https://insights.sbomify.com/CVE-2026-48366/): Media Encoder | Out-of-bounds Write (CWE-787) (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-28569 and fix it if it is affected.

What it is: CVE-2021-28569 is a medium-severity vulnerability in Adobe Media Encoder, published on 8 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-28569 in the wild and no public exploit code.

Affected product: Adobe Media Encoder. 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-2021-28569/ (Markdown: https://insights.sbomify.com/CVE-2021-28569/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-28569
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-28569
- OSV: https://osv.dev/vulnerability/CVE-2021-28569

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-28569/
Summaries are generated and may contain mistakes; the official description above is the record.