Security readout for executives and security teams
A flaw in Wireshark’s MMSE packet parser could trap the application in an infinite loop when it processes affected data. The business impact is primarily analyst-tool denial of service: a vulnerable Wireshark instance may hang or consume CPU while inspecting traffic or captures. Sources do not indicate data theft or active exploitation. Exposure is likely limited to endpoints, analyst workstations, or monitoring systems running vulnerable Wireshark and processing MMSE-related packets or capture files. Organizations using patched distribution packages or newer Wireshark releases are less likely exposed. Treat this as a moderate operational resilience issue, not a breach indicator. Patch where Wireshark handles untrusted traffic or captures, especially in SOC workflows, but prioritize higher-impact remotely exploitable infrastructure issues first if resources are constrained. Mitigation focus: Upgrade Wireshark using upstream or OS vendor security updates that address CVE-2018-19622.; Remove or restrict vulnerable Wireshark versions 2.6.0-2.6.4 and 2.4.0-2.4.10.; Prioritize analyst workstations and passive monitoring hosts that process untrusted packet captures..
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
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CVE-2018-19622 mapping review
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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://www.wireshark.org/security/wnpa-sec-2018-54.htmlCVE reference · x_refsource_MISC
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=3b7555d32d11862f0e500ec466ad6bfe54190076CVE reference · x_refsource_MISC
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15250CVE reference · x_refsource_MISC
- [debian-lts-announce] 20190115 [SECURITY] [DLA 1634-1] wireshark security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4359CVE reference · vendor-advisory, x_refsource_DEBIAN
- https://www.oracle.com/security-alerts/cpuapr2020.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.