Debian LinuxOperating system · Debian
CVE-2021-42530
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 · uneditedXMP Toolkit SDK version 2021.07 (and earlier) is affected by a stack-based buffer overflow vulnerability potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted 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 confidenceA stack-based buffer overflow vulnerability exists in XMP Toolkit SDK versions 2021.07 and earlier. The flaw is triggered when parsing a specially crafted file, potentially allowing an attacker to execute arbitrary code in the context of the current user. Exploitation requires user interaction—specifically, the victim must open a malicious file.
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
Debian LinuxOperating system
= 10.0<= 2021.07CVSS 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
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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 XMP Toolkit SDK installationSearch for XMP Toolkit SDK files or packages on the system. Look for directories or files named 'XMP', 'xmp', or 'AdobeXMP' in common installation paths such as /usr/lib, /usr/local/lib, or application-specific directories. On Debian systems, check installed packages using 'dpkg -l | grep -i xmp' or 'apt list --installed | grep -i xmp'.Affected if The XMP Toolkit SDK or any package containing it is installed on the system.
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Determine installed version of XMP ToolkitFor Debian systems, run 'dpkg -l' or 'apt show' on any XMP-related package found. If the SDK is embedded in an application, check the application's included library version by reviewing its version information or libraries directory. Compare the found version against the affected range: <= 2021.07.Affected if The installed version is 2021.07 or earlier.
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Verify XMP file parsing is in useThe vulnerability is triggered during XMP metadata parsing. Identify if any applications on the system process XMP files or metadata. Check for applications that open image files (which often contain XMP metadata), PDF documents, or other file types that embed XMP data. Look for processes or applications that handle these file types.Affected if Applications that parse XMP metadata from files are in use on the system.
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Check for user-accessible file processing pathsThe exploitation requires a victim to open a malicious file. Identify if there are applications that automatically or manually process XMP-containing files from untrusted sources. Review file handling configurations in applications that open documents, images, or media files.Affected if Users can open files from untrusted or unknown sources using applications that process XMP metadata.
The system is affected if it has XMP Toolkit SDK version 2021.07 or earlier installed and processes XMP-containing files from user-accessible locations.
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 · scopedUpdate to a patched version of the XMP Toolkit SDK when available from the vendor. Until then, avoid opening untrusted or unexpected files, and ensure antivirus scanning is enabled for file operations.
XMP Toolkit SDK version 2021.08 or later (or latest stable release)
- 1. Identify all applications or systems using the XMP Toolkit SDK version 2021.07 or earlier
- 2. Locate the specific XMP Toolkit SDK installation or the package that includes it (such as in Debian's package management)
- 3. Check Adobe's official security advisories on helpx.adobe.com for the fixed release version after 2021.07
- 4. For Debian 10.0 systems, run 'apt-get update && apt-get upgrade' or check Debian security tracker for packages containing the fixed XMP Toolkit version
- 5. For applications using the XMP Toolkit SDK directly, download and integrate the updated SDK version (2021.08 or later)
- 6. Test that applications still function correctly with the updated SDK
- 7. Re-scan or re-assess any previously crafted test files to confirm the vulnerability is mitigated
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Debian Linux
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing8.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,288.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-42530 — 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-2021-42530 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
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