Security readout for executives and security teams
Plain-English summary
CVE-2018-9274 is a Wireshark memory leak in ui/failure_message.c affecting Wireshark 2.4.0 through 2.4.5 and 2.2.0 through 2.2.13. The bundle does not provide CVSS, CWE, exploit evidence, or impact detail beyond the memory leak, so business urgency should be based on where those old versions still exist.
Executive priority
Treat this as a low-disruption hygiene item unless affected Wireshark builds remain common in security operations. There is no supplied evidence of active exploitation or severe impact, but unsupported legacy tooling can create avoidable operational risk.
Technical view
The CVE record describes a memory leak in Wireshark's ui/failure_message.c for the listed 2.4.x and 2.2.x ranges. Public references include two Wireshark commits, a Bugzilla issue, and Wireshark advisory WNPA-SEC-2018-24, but the supplied bundle does not include detailed trigger conditions, CVSS scoring, or exploitability analysis.
Likely exposure
Exposure is most likely on analyst workstations, jump boxes, forensic systems, or packaged desktop images still running the affected Wireshark versions. The source bundle does not indicate server-side exposure, remote network service exposure, or affected downstream products.
Exploitation context
The provided sources do not support active exploitation, and the CVE is not marked KEV. The available description only states a memory leak; it does not describe a public exploit, attack vector, required user interaction, or practical impact beyond potential resource leakage.
Researcher notes
Key gaps are missing CVSS, CWE, detailed trigger path, and advisory contents in the supplied bundle. Analysis should stay bounded to the stated memory leak and affected Wireshark ranges unless the referenced Wireshark advisory or commits are reviewed directly.
Mitigation direction
- Inventory Wireshark installations across endpoints and analysis systems.
- Prioritize removal of Wireshark 2.4.0-2.4.5 and 2.2.0-2.2.13.
- Check Wireshark advisory WNPA-SEC-2018-24 for vendor remediation guidance.
- Upgrade to a vendor-supported Wireshark release confirmed unaffected.
- Retire old forensic or lab images containing affected Wireshark builds.
Validation and detection
- Confirm installed Wireshark versions from endpoint inventory or package records.
- Compare discovered versions against 2.4.0-2.4.5 and 2.2.0-2.2.13.
- Verify updated systems report a version outside the affected ranges.
- Review golden images and offline toolkits for bundled affected versions.
- Document any exceptions with owner, purpose, and planned retirement date.
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-2018-9274 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
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=211845aba4794720ae265c782cdffddae54a3e7aCVE reference · x_refsource_MISC
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f38e895dfc0d97bce64f73ce99df706911d9aa07CVE reference · x_refsource_MISC
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14489CVE reference · x_refsource_MISC
- https://www.wireshark.org/security/wnpa-sec-2018-24.htmlCVE reference · x_refsource_MISC
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.
