CVE-2019-2083
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 · uneditedIn libxaac there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-117495362
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 confidenceIn libxaac (an AAC audio decoder) for Android-10, a missing bounds check allows an out-of-bounds write. This could enable remote code execution by processing a specially crafted media file, requiring user interaction to trigger the exploit.
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= 10.0CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/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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Verify Android version is 10.0Run 'getprop ro.build.version.release' or check Settings > About Phone > Android version. The affected version is specifically Android 10.0.Affected if The device is running Android 10.0 (API level 29)
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Confirm libxaac library is presentCheck for the existence of libxaac library on the system. Typical paths include /system/lib64/libxaac.so or /vendor/lib64/libxaac.so. Use 'find / -name libxaac* 2>/dev/null' to locate it.Affected if The libxaac library exists on the device and is used for AAC audio decoding
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Check if AAC audio decoding is enabledVerify if the device can process AAC audio files through any media player or audio framework. Check if apps use MediaCodec or other AAC decoding pathways that may invoke libxaac.Affected if AAC audio decoding functionality is available and could process untrusted media files
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Identify applications or services that process media filesReview installed applications that handle audio/video files, particularly those that may use Android's MediaPlayer or ExoPlayer components. Check which apps have permission to access media files.Affected if Applications that process media files from potentially untrusted sources are installed and active
A device is affected if it runs Android 10.0 and contains the vulnerable libxaac library that can be invoked when processing specially crafted AAC 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.
From vendor dataApply the Android security patch for Android-10 (refer to Google's monthly security bulletin for the applicable patch level). Users should avoid opening media files from untrusted sources until the patch is applied.
- Consultation3.0 h
- Implementation4.0 h
- Testing6.0 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 $4,416.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-2083 — 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-2019-2083 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
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