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CVE Record

CVE-2018-7871: There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CON...

There is a heap-based buffer over-read in the getName function of util/decompile.c in libming 0.4.8 for CONSTANT16 data. A crafted input will lead to a denial of service or possibly unspecified other impact.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-7871 is a memory-reading flaw in libming 0.4.8. A maliciously crafted input can crash affected processing, causing denial of service. The public record also says other impact is possible, but does not define it. Business urgency depends on whether libming processes untrusted Flash/SWF content in production or automated workflows.

Executive priority

Prioritize remediation where libming handles external files or customer-supplied media. If libming is only present but unused, treat as lower urgency while still removing or updating it during normal maintenance.

Technical view

The issue is a heap-based buffer over-read in getName within util/decompile.c when handling CONSTANT16 data in libming 0.4.8. The CVE states crafted input can cause denial of service or possibly unspecified other impact. The provided metadata has no CVSS, CWE, or precise affected package matrix.

Likely exposure

Exposure is most likely on systems running libming 0.4.8 or distro packages derived from it, especially tools or services that decompile, inspect, convert, or otherwise process untrusted Flash/SWF inputs.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. Public references include Debian bug tracking, a Debian LTS security update, and a libming GitHub issue, supporting vulnerability existence but not real-world exploitation.

Researcher notes

Evidence is limited: no CVSS, CWE, exploit status, or complete affected-product metadata is included. The consistent technical anchor is libming 0.4.8, getName in util/decompile.c, CONSTANT16 parsing, and heap over-read behavior leading to denial of service.

Mitigation direction

  • Apply the relevant vendor or distro security update for ming/libming.
  • Check Debian DLA 1343-1 if using Debian LTS packages.
  • Avoid processing untrusted Flash/SWF files until updated or isolated.
  • Sandbox any media conversion or decompilation workflow using libming.
  • Retire libming where Flash/SWF processing is no longer required.

Validation and detection

  • Inventory hosts, containers, and build images for ming or libming packages.
  • Confirm whether any workflows process untrusted Flash/SWF content.
  • Verify installed versions against vendor or distro security advisories.
  • Review service logs for crashes during Flash/SWF processing.
  • Confirm updated packages are deployed across production and CI images.
Prepared
Confidence
medium
Sources
5

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
4Source 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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