Debian LinuxOperating system · Debian
CVE-2021-40716
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 versions 2021.07 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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 · moderate confidenceXMP Toolkit SDK versions 2021.07 and earlier contain an out-of-bounds read vulnerability that allows disclosure of sensitive memory contents. Attackers can exploit this by crafting malicious files that, when opened by a victim, trigger the read beyond allocated bounds, potentially leaking addresses that can be used to bypass ASLR mitigations.
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
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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 XMP Toolkit SDK versionSearch for XMP Toolkit SDK installations on the system. Common locations include /opt, /usr/local, or application-specific directories. Check package managers (dpkg -l on Debian) for xmp or xmp-toolkit packages. Review any software that bundles the Adobe XMP Toolkit SDK and query its version information.Affected if The installed version is 2021.07 or earlier, or the Debian system is version 10.0 with the vulnerable SDK present
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Locate applications using XMP ToolkitIdentify applications or libraries that depend on or bundle the Adobe XMP Toolkit SDK. Search for files named libxmp*, XMP*.dll, XMP*.so, or similar XMP-related binaries. Check application documentation or runtime dependencies for XMP SDK usage.Affected if Applications processing XMP files are present and utilize a vulnerable version of the XMP Toolkit SDK (2021.07 or earlier)
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Assess XMP file processing from untrusted sourcesDetermine whether the system or any installed applications accept and process XMP files from external or untrusted sources. This includes file upload features, document converters, image processors, or any software that parses XMP metadata from files obtained from users or external systems.Affected if The environment processes XMP files from untrusted or external sources without additional sandboxing or content scanning protections
A user is affected if their environment contains any application or library using the XMP Toolkit SDK at version 2021.07 or earlier that processes XMP files from external or untrusted sources.
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.
From vendor dataUpgrade XMP Toolkit SDK to a version newer than 2021.07. Until patched, implement user awareness training and consider sandboxing or file scanning for XMP files from untrusted sources to reduce exposure.
Fix this in Debian Linux
Scoped from the published advisory
- Consultation3.0 h
- Implementation6.0 h
- Testing5.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,752.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-40716 — 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-2021-40716 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
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