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CVE Record

CVE-2018-8806: In libming 0.4.8, there is a use-after-free in the decompileArithmeticOp function of decompile.c.

In libming 0.4.8, there is a use-after-free in the decompileArithmeticOp function of decompile.c. Remote attackers could use this vulnerability to cause a denial-of-service via a crafted swf 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-2018-8806 affects libming 0.4.8 when handling a crafted SWF file. An attacker could trigger a crash or denial of service in software that uses this library to decompile or process SWF content. The source bundle does not provide CVSS, patch status, CPEs, or evidence of active exploitation.

Executive priority

Treat this as a targeted availability risk, not a confirmed widespread emergency. Prioritize if the business processes SWF files from external or untrusted sources. If libming is absent or SWF handling is retired, document non-exposure and monitor vendor guidance.

Technical view

The vulnerability is a use-after-free in decompileArithmeticOp in decompile.c within libming 0.4.8. The documented impact is denial of service through a crafted SWF file. Available sources identify the flaw and GitHub issue reference, but do not include a CVSS vector, CWE mapping, affected CPEs, or confirmed remediation version.

Likely exposure

Exposure is most likely where libming 0.4.8 processes untrusted SWF files, especially upload pipelines, malware analysis tooling, archival converters, or automated decompilation services. Organizations not using libming, or not processing SWF files, are unlikely to be exposed based on the supplied evidence.

Exploitation context

The CVE source says remote attackers could cause denial of service with a crafted SWF file. There is no KEV listing and no cited source in the bundle confirms active exploitation. The public reference is a GitHub issue, but the bundle does not establish exploit maturity or real-world targeting.

Researcher notes

Evidence is limited. The supplied record names libming 0.4.8, decompileArithmeticOp, and denial of service via crafted SWF. It does not provide CVSS, CWE, CPEs, proof of active exploitation, or a named fixed release. Avoid assuming broader product impact without local dependency confirmation.

Mitigation direction

  • Inventory systems and tools that use libming 0.4.8.
  • Avoid processing untrusted SWF files with affected libming deployments.
  • Check libming project guidance for fixed versions or recommended remediation.
  • Sandbox SWF processing where business use cannot be removed.
  • Restrict SWF upload and conversion paths to trusted sources only.

Validation and detection

  • Confirm whether libming 0.4.8 exists in application dependencies or build images.
  • Identify services that decompile, convert, scan, or ingest SWF files.
  • Review crash logs for repeated failures during SWF handling.
  • Verify whether vendor or project remediation has been applied.
  • Confirm SWF processing runs with least privilege and containment.
Prepared
Confidence
medium
Sources
3

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
2Source 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

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.