CVE-2026-5653: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI Analysis
Technical Summary
CVE-2026-5653 is a heap-based buffer overflow vulnerability (CWE-122) in the DCP-ETSI protocol dissector of Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. This vulnerability can be triggered to cause a denial of service by crashing the application. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low complexity, no privileges required, user interaction needed, and impact limited to availability. No patch or official remediation level has been published by the vendor as of the provided data.
Potential Impact
Successful exploitation results in denial of service by crashing Wireshark, impacting availability only. There is no impact on confidentiality or integrity. The vulnerability requires local access and user interaction to trigger.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening untrusted DCP-ETSI protocol traffic in affected Wireshark versions to reduce risk.
CVE-2026-5653: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
Description
DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-5653 is a heap-based buffer overflow vulnerability (CWE-122) in the DCP-ETSI protocol dissector of Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. This vulnerability can be triggered to cause a denial of service by crashing the application. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low complexity, no privileges required, user interaction needed, and impact limited to availability. No patch or official remediation level has been published by the vendor as of the provided data.
Potential Impact
Successful exploitation results in denial of service by crashing Wireshark, impacting availability only. There is no impact on confidentiality or integrity. The vulnerability requires local access and user interaction to trigger.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid opening untrusted DCP-ETSI protocol traffic in affected Wireshark versions to reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-06T06:33:52.597Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2f4e6cbff5d8610970ac3
Added to database: 4/30/2026, 6:21:26 AM
Last enriched: 4/30/2026, 6:51:26 AM
Last updated: 5/1/2026, 6:07:28 AM
Views: 10
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