Security readout for executives and security teams
CVE-2016-4421 is a Wireshark crash vulnerability in the ASN.1 BER packet parser. A specially formed packet with deeply nested data can make vulnerable Wireshark versions consume stack memory and crash. The disclosed impact is denial of service to the application, not system takeover. Exposure is most relevant where analysts use affected Wireshark versions to inspect live traffic or packet captures containing ASN.1 BER-encoded data. Servers are not directly described as affected unless Wireshark or dependent packages are installed and used. Treat as a timely hygiene fix for security teams and systems using Wireshark. Business impact is likely analyst tool disruption, not enterprise compromise, based on provided sources. Prioritize upgrades where untrusted traffic captures are routinely analyzed. Mitigation focus: Upgrade Wireshark to 1.12.10, 2.0.2, or a later vendor-supported version.; Apply relevant distribution updates, including openSUSE advisories if applicable.; Check Oracle and other vendor advisories where Wireshark is bundled..
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
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ATT&CK lookup starting points
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CVE-2016-4421 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
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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-2016-18.htmlCVE reference · x_refsource_CONFIRM
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11822CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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