CVE-2026-7379: CWE-401: Missing Release of Memory after Effective Lifetime in Wireshark Foundation Wireshark
Memory leak in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI Analysis
Technical Summary
This vulnerability, identified as CWE-401 (Missing Release of Memory after Effective Lifetime), affects the sharkd component of Wireshark Foundation's Wireshark software in versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The issue is a memory leak that can cause the application to consume excessive memory, potentially leading to denial of service conditions. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability. No patch or official remediation level has been documented in the provided data.
Potential Impact
The vulnerability can cause denial of service by exhausting memory resources in the affected Wireshark versions. There is no impact on confidentiality or integrity. No known exploits are reported in the wild, indicating limited current exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting exposure of affected Wireshark instances and monitor for updates from the Wireshark Foundation. No vendor advisory or patch links are currently available.
CVE-2026-7379: CWE-401: Missing Release of Memory after Effective Lifetime in Wireshark Foundation Wireshark
Description
Memory leak in sharkd 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
This vulnerability, identified as CWE-401 (Missing Release of Memory after Effective Lifetime), affects the sharkd component of Wireshark Foundation's Wireshark software in versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The issue is a memory leak that can cause the application to consume excessive memory, potentially leading to denial of service conditions. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability. No patch or official remediation level has been documented in the provided data.
Potential Impact
The vulnerability can cause denial of service by exhausting memory resources in the affected Wireshark versions. There is no impact on confidentiality or integrity. No known exploits are reported in the wild, indicating limited current exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting exposure of affected Wireshark instances and monitor for updates from the Wireshark Foundation. No vendor advisory or patch links are currently available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-29T07:34:21.218Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2e6f2cbff5d861093cb8a
Added to database: 4/30/2026, 5:21:54 AM
Last enriched: 4/30/2026, 5:36:22 AM
Last updated: 4/30/2026, 2:34:53 PM
Views: 8
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