Security readout for executives and security teams
Plain-English summary
This CVE affects libming, a library/toolset for SWF files. A specially crafted SWF can crash vulnerable decompilation logic, causing denial of service. The sources do not indicate code execution or active exploitation.
Executive priority
Treat as a focused service-stability issue, not a broad emergency. Prioritize systems that automatically process untrusted SWF files or provide customer-facing file handling.
Technical view
In libming through 0.4.8, util/decompile.c pushdup mishandles ActionPushDuplicate when a String is on top of the stack. This can lead to a getName NULL pointer dereference during SWF decompilation, causing process crash.
Likely exposure
Exposure is most likely where libming or ming utilities process untrusted SWF files, including upload pipelines, malware analysis tooling, conversion jobs, or automated batch decompilation. The source data lists affected product fields as n/a, so asset mapping requires local package inventory.
Exploitation context
The described attack condition is a crafted SWF file processed by vulnerable libming decompilation code. CISA KEV status is false in the bundle, and the provided sources do not report active exploitation.
Researcher notes
The public description ties the flaw to ActionPushDuplicate string handling and a getName NULL pointer dereference. The bundle lacks CVSS, CWE, precise package fix versions, and exploit telemetry, so conclusions should stay bounded to denial of service.
Mitigation direction
- Inventory systems and containers for libming or ming packages.
- Upgrade libming/ming using vendor or distribution security guidance.
- Apply the Debian LTS ming security update where applicable.
- Restrict processing of untrusted SWF files until updated.
- Run SWF processing in isolated, low-privilege workers.
Validation and detection
- Check installed libming or ming package versions against vendor advisories.
- Identify workflows that decompile or parse user-supplied SWF files.
- Confirm vulnerable systems no longer run libming through 0.4.8.
- Review crash logs for SWF decompiler NULL pointer dereference events.
- Verify Debian hosts received the relevant ming security update.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-9165 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- [debian-lts-announce] 20180409 [SECURITY] [DLA 1343-1] ming security updateCVE reference · mailing-list, x_refsource_MLIST
- https://github.com/libming/libming/issues/121CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.