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CVE Record

CVE-2018-7876: In libming 0.4.8, a memory exhaustion vulnerability was found in the function parseSWF_ACTIONRECORD in util...

In libming 0.4.8, a memory exhaustion vulnerability was found in the function parseSWF_ACTIONRECORD in util/parser.c, which allows remote attackers to cause a denial of service via a crafted file.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-7876 is a denial-of-service issue in libming 0.4.8. A specially crafted file can make the parser consume excessive memory, potentially disrupting systems that process SWF files. Sources do not indicate data theft, code execution, or active exploitation.

Executive priority

Treat as a targeted availability risk. Prioritize remediation where file parsing is exposed to external users or business-critical processing pipelines. Lower priority is reasonable for unused packages or isolated internal tools.

Technical view

The flaw is reported in parseSWF_ACTIONRECORD in util/parser.c. Processing a crafted file can trigger memory exhaustion. The public record does not provide CVSS, CWE, detailed affected CPEs, or a complete upstream remediation description.

Likely exposure

Exposure is most likely where libming 0.4.8 or distribution packages using ming parse untrusted SWF or Flash content. Internet-facing upload, conversion, scanning, or archival workflows would carry higher operational risk than isolated internal tooling.

Exploitation context

The sources describe remote denial of service through a crafted file. CISA KEV status is false, and the supplied sources do not claim active exploitation in the wild.

Researcher notes

Evidence is thin beyond the CVE description and distribution advisories. No CVSS, CWE, CPE list, exploit status, or precise fixed upstream version is supplied. Focus validation on installed package provenance and untrusted SWF parsing paths.

Mitigation direction

  • Apply relevant Debian or Fedora ming security updates where applicable.
  • For other builds, check upstream or vendor guidance for a fixed libming package.
  • Avoid parsing untrusted SWF files until the vulnerable parser is updated.
  • Constrain memory and worker isolation for file-processing services using libming.
  • Remove unused ming/libming packages from production systems.

Validation and detection

  • Inventory systems for libming or ming packages, especially version 0.4.8.
  • Identify services that parse user-supplied SWF or Flash files.
  • Confirm distribution security advisories are applied on Debian and Fedora systems.
  • Review file-processing logs for repeated memory exhaustion or worker crashes.
  • Document whether exposure is remote, authenticated, or internal-only.
Prepared
Confidence
medium
Sources
8

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
7Source 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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