# CVE-2021-42263: Adobe Premiere Pro Null Pointer Dereference Application denial-of-service

> An attacker can cause a denial of service in Adobe Premiere Pro by tricking a user into opening a specially crafted file.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H`)
- **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:** 16 Mar 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-v85j-v436-gx72

## What is CVE-2021-42263?

CVE-2021-42263 is a medium-severity vulnerability in Adobe Premiere, published on 16 Mar 2022. 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

Adobe Premiere Pro 15.4.1 (and earlier) is affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2021-42263?

It affects 1 product.


Products: Adobe Premiere Pro.

## How do I fix CVE-2021-42263?

No fix has been published for CVE-2021-42263 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-42263 being exploited?

There is no known exploitation of CVE-2021-42263 in the wild and no public exploit code.

## Other vulnerabilities in Adobe Premiere

- [CVE-2026-48269](https://insights.sbomify.com/CVE-2026-48269/): Premiere Pro | Heap-based Buffer Overflow (CWE-122) (high 7.8)
- [CVE-2026-48270](https://insights.sbomify.com/CVE-2026-48270/): Premiere Pro | Out-of-bounds Write (CWE-787) (high 7.8)
- [CVE-2026-48369](https://insights.sbomify.com/CVE-2026-48369/): Premiere Pro | Out-of-bounds Write (CWE-787) (high 7.8)
- [CVE-2026-34636](https://insights.sbomify.com/CVE-2026-34636/): Premiere Pro | Out-of-bounds Write (CWE-787) (high 7.8)
- [CVE-2026-34637](https://insights.sbomify.com/CVE-2026-34637/): Premiere Pro | Out-of-bounds Write (CWE-787) (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-42263 and fix it if it is affected.

What it is: CVE-2021-42263 is a medium-severity vulnerability in Adobe Premiere, published on 16 Mar 2022. 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: There is no known exploitation of CVE-2021-42263 in the wild and no public exploit code.

Affected product: Adobe Premiere. 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-2021-42263/ (Markdown: https://insights.sbomify.com/CVE-2021-42263/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-42263
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-42263
- OSV: https://osv.dev/vulnerability/CVE-2021-42263

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-42263/
Summaries are generated and may contain mistakes; the official description above is the record.