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CVE Record

CVE-2018-9270: In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/oids.c has a memory leak.

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/oids.c has a memory leak.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This flaw is a memory leak in Wireshark’s OID handling affecting Wireshark 2.4.0 through 2.4.5 and 2.2.0 through 2.2.13. The practical concern is resource exhaustion while analyzing traffic or capture files, not data theft. The provided sources do not give a CVSS score or detailed impact rating.

Executive priority

Treat this as routine vulnerability remediation unless affected Wireshark is used heavily with untrusted captures. Prioritize SOC, forensics, malware analysis, and packet-ingestion environments first because resource exhaustion can disrupt investigations or monitoring workflows.

Technical view

CVE-2018-9270 is reported in Wireshark epan/oids.c. The CVE description states a memory leak across the 2.4.x and 2.2.x affected ranges. The bundle references a Wireshark advisory, bug report, fixing commit, and Debian LTS updates, but does not include exploit details or a scored severity.

Likely exposure

Exposure is most likely where analysts, SOC workstations, packet-processing systems, or automated tooling run the affected Wireshark versions against untrusted captures or network traffic. Servers are usually exposed only if Wireshark components are installed and used in workflows.

Exploitation context

No active exploitation is stated in the supplied sources, and the CVE is not marked KEV. The available description supports a memory-leak issue, but not public exploitation, weaponized proof of concept, or remote compromise.

Researcher notes

The evidence is sparse: CVE text identifies only epan/oids.c and a memory leak. The Wireshark advisory, bug, commit, and Debian notices are relevant primary references, but the supplied bundle lacks CVSS, CWE, root-cause detail, and exploitability notes.

Mitigation direction

  • Upgrade Wireshark beyond the affected 2.4.x and 2.2.x ranges.
  • Apply Debian LTS wireshark security updates where Debian packages are used.
  • Check the Wireshark advisory for vendor-confirmed fixed versions.
  • Limit analysis of untrusted captures on affected systems until updated.
  • Restart long-running packet analysis processes after remediation planning.

Validation and detection

  • Inventory Wireshark versions on analyst workstations and packet-processing hosts.
  • Confirm no systems run Wireshark 2.4.0-2.4.5 or 2.2.0-2.2.13.
  • Check package manager records for Debian DLA 1388-1 or DLA 1634-1 coverage.
  • Review workflows that automatically parse uploaded or third-party capture files.
  • Document whether Wireshark is user-launched only or part of automated processing.
Prepared
Confidence
medium
Sources
7

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

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.

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CVE-2018-9270 mapping review

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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
6Source 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.