CVE-2023-43548
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 · uneditedMemory corruption while parsing qcp clip with invalid chunk data size.
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 confidenceThis is a memory corruption vulnerability in the parsing of QCP (Qualcomm PureVoice) audio clips. When a QCP file contains an invalid chunk data size field, the parsing code fails to properly validate or bound-check this value before using it in memory operations, leading to heap or stack corruption. The critical CVSS 9.8 score indicates this is likely remotely exploitable and can lead to arbitrary code execution.
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 dataall versionsall versionsall versionsall versionsall versionsall versionsall versionsall versionsCVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 Qualcomm firmware componentsInventory all devices, network equipment, or systems using Qualcomm chipsets (Aqt1000, Fastconnect 6200/6700/6800/6900/7800, Qam8255p, Qam8295p). Check device specifications, firmware manifests, or system information for these chipset identifiers.Affected if Any system or device runs firmware based on the listed Qualcomm chipsets.
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Locate QCP audio parsing moduleSearch firmware images, installed software, or system binaries for QCP audio codec libraries (common names: qcp, purevoice, qcelp). Use commands like 'find / -name *qcp*' or inspect firmware extraction contents.Affected if QCP audio parsing code or library exists in the environment.
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Verify QCP processing is enabledCheck application configurations, service settings, or system policies that enable audio file processing. Look for media players, audio conversion tools, or VoIP applications that accept audio input. Inspect configuration files for QCP/enable_audio settings.Affected if Any service, application, or feature is configured to process QCP audio files from external or untrusted sources.
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Review firmware version stringsExtract firmware version from affected devices using commands like 'cat /proc/version', 'dmesg', vendor diagnostic tools, or by parsing firmware headers. Compare against the affected product list (all versions of listed firmware are affected).Affected if The device runs any version of Aqt1000, Fastconnect 6200/6700/6800/6900/7800, Qam8255p, or Qam8295p firmware.
If any system contains Qualcomm firmware from the listed chipsets and has QCP audio file processing enabled or accessible, the environment is potentially affected by this memory corruption vulnerability.
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 vendor patches for any software that processes QCP audio files. Until a patch is available, disable or restrict processing of untrusted QCP files and implement input validation to reject files with malformed chunk headers.
- Consultation4.0 h
- Implementation6.0 h
- Testing4.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-43548 — 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-2023-43548 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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