CVE-2021-42263
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedAdobe 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceAdobe Premiere Pro 15.4.1 and earlier contains a null pointer dereference vulnerability when parsing specially crafted media files. An attacker can trigger the vulnerability by enticing a user to open a malicious file, causing the application to crash and result in denial of service.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data< 15.4.2CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify installed Adobe Premiere Pro versionOn Windows: right-click the Premiere Pro executable (Adobe Premiere Pro.exe) and select Properties > Details to view the File Version. On macOS: right-click the application, select Get Info, and check the Version field. Alternatively, open Premiere Pro and go to Help > About Adobe Premiere Pro.Affected if The displayed version is 15.4.1 or earlier (any version below 15.4.2)
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Confirm the exact version numberCompare the found version string against the affected range. Versions may be listed as 15.x.x or with full build numbers like 15.4.1 (Build 48).Affected if The version is 15.4.1, 15.4.0, 15.3.x, 15.2.x, 15.1.x, 15.0.x, or any 15.x release prior to 15.4.2
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Verify the application is the full Premiere Pro productConfirm the installed software is Adobe Premiere Pro (not Premiere Elements or Premiere Rush, which are separate products with different version numbering). Check the application name in Add/Remove Programs (Windows) or Applications folder (macOS).Affected if The installed product is Adobe Premiere Pro versions prior to 15.4.2
If Adobe Premiere Pro version is 15.4.1 or any earlier 15.x release, the environment is vulnerable to the null pointer dereference when parsing specially crafted media files.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped15.4.2
Update Adobe Premiere Pro to a patched version (15.4.2 or later) and avoid opening media files from untrusted sources.
Adobe Premiere Pro 15.4.2
- 1. Open Adobe Premiere Pro
- 2. Navigate to Help > Check for Updates
- 3. Download and install the update to version 15.4.2 or later
- 4. Alternatively, download the installer directly from helpx.adobe.com for version 15.4.2
- 5. Restart Premiere Pro after the update completes
- 6. Verify the installed version by going to Help > About Adobe Premiere Pro
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-42263 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-42263 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data