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CVE Record

CVE-2018-7713: The validateInputImageSize function in modules/imgcodecs/src/loadsave.cpp in OpenCV 3.4.1 allows remote att...

The validateInputImageSize function in modules/imgcodecs/src/loadsave.cpp in OpenCV 3.4.1 allows remote attackers to cause a denial of service (assertion failure) because (size.width <= (1<<20)) may be false. Note: “OpenCV CV_Assert is not an assertion (C-like assert()), it is regular C++ exception which can raised in case of invalid or non-supported parameters.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-7713 is a denial-of-service issue in OpenCV 3.4.1 image loading. A specially sized image can trigger an assertion-related exception and may crash or interrupt software that processes untrusted images. Business impact depends on whether OpenCV is exposed through uploads, media pipelines, or automated image analysis services.

Executive priority

Treat as a targeted availability risk, not confirmed data theft. Prioritize systems where image processing supports customer-facing services or production automation. If OpenCV 3.4.1 is absent or not exposed to untrusted images, urgency is lower.

Technical view

The issue is in validateInputImageSize in modules/imgcodecs/src/loadsave.cpp in OpenCV 3.4.1. The CVE states remote attackers can cause denial of service when the width limit check can fail. The record notes OpenCV CV_Assert raises a C++ exception rather than a C-style assert.

Likely exposure

Exposure is likely where applications use OpenCV 3.4.1 imgcodecs to process attacker-supplied images. Internet-facing upload features, APIs, batch media processors, or ML pipelines accepting external images are the main concern. Systems not using OpenCV 3.4.1 or not processing untrusted images are less likely exposed.

Exploitation context

The public record references a GitHub proof-of-concept repository and an OpenCV issue. CISA KEV is false in the provided data, and no cited source states active exploitation. Practical exploitation requires the attacker to get a crafted image processed by vulnerable OpenCV-dependent software.

Researcher notes

Affected metadata in the provided CVE record is sparse and lists no CPEs, CVSS, CWE, patch, or fixed version. The strongest source detail is the CVE description plus linked OpenCV issue and PoC repository. Avoid assuming impact beyond denial of service without local validation.

Mitigation direction

  • Inventory applications and containers for OpenCV 3.4.1 usage.
  • Check OpenCV and application vendor guidance for fixed versions or workarounds.
  • Prioritize remediation for internet-facing image upload or processing services.
  • Limit or gate untrusted image processing where feasible.
  • Ensure image-processing exceptions do not crash critical services.

Validation and detection

  • Review SBOMs, package manifests, and build artifacts for OpenCV 3.4.1.
  • Map all external image ingestion paths using OpenCV imgcodecs.
  • Confirm services handle invalid image dimensions without process termination.
  • Check monitoring for repeated image-processing crashes or restarts.
  • Document whether vulnerable components are reachable by untrusted users.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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