CVE-2024-48856
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 · uneditedOut-of-bounds write in the PCX image codec in QNX SDP versions 8.0, 7.1 and 7.0 could allow an unauthenticated attacker to cause a denial-of-service condition or execute code in the context of the process using the image codec.
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 critical out-of-bounds write vulnerability exists in the PCX image codec component of QNX SDP versions 7.0, 7.1, and 8.0. The flaw allows an unauthenticated attacker to craft malicious PCX image data that writes beyond allocated buffer boundaries, potentially causing denial of service or achieving arbitrary code execution within the process context of the image codec.
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= 7.0= 7.1= 8.0CVSS 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
- 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 QNX SDP versionRun 'uname -v' or check /etc/version on the QNX system, or query the QNX software inventory if available (e.g., 'swat' or 'pkgs' commands depending on version)Affected if The installed version equals 7.0, 7.1, or 8.0
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Confirm PCX image codec presenceSearch for PCX-related libraries or codecs in the system (e.g., look for files containing 'pcx' in /lib, /usr/lib, or /opt directories using 'find' or similar)Affected if PCX codec libraries or modules exist on the system
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Detect active PCX processingMonitor or inspect running processes for applications that decode PCX images; check application logs or usage patterns for PCX file handlingAffected if Any application or service actively processes PCX image files
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Review code using PCX codecAudit custom or third-party applications for direct use of PCX decoding functions; search source code or binaries for PCX-related API callsAffected if Applications invoke the PCX codec component to parse PCX image data
A system is affected if it runs QNX SDP version 7.0, 7.1, or 8.0 AND has the PCX image codec enabled or utilized for processing untrusted PCX image data.
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 QNX SDP security patch for CVE-2024-48856 when available. If no patch exists, consider disabling PCX image processing in untrusted contexts or implementing input validation/memory protection around codec usage until a patch can be deployed.
- Consultation3.0 h
- Implementation4.0 h
- Testing6.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-48856 — 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-2024-48856 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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