CVE-2026-7378: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
Crash 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 (CVE-2026-7378) involves a heap-based buffer overflow in the Wireshark network protocol analyzer, affecting versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The flaw causes the sharkd component to crash, resulting in a denial of service condition. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no privileges but requires user interaction. The impact is limited to availability with no confidentiality or integrity loss. No official remediation or patch information is currently available from the vendor.
Potential Impact
The vulnerability allows an attacker to crash the sharkd service in affected Wireshark versions, causing denial of service. There is no indication of confidentiality or integrity compromise. Exploitation requires local access and user interaction. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid using affected versions or restrict access to the Wireshark application to trusted users only. Monitor vendor channels for updates and apply patches promptly once available.
CVE-2026-7378: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
Description
Crash 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 (CVE-2026-7378) involves a heap-based buffer overflow in the Wireshark network protocol analyzer, affecting versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The flaw causes the sharkd component to crash, resulting in a denial of service condition. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no privileges but requires user interaction. The impact is limited to availability with no confidentiality or integrity loss. No official remediation or patch information is currently available from the vendor.
Potential Impact
The vulnerability allows an attacker to crash the sharkd service in affected Wireshark versions, causing denial of service. There is no indication of confidentiality or integrity compromise. Exploitation requires local access and user interaction. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid using affected versions or restrict access to the Wireshark application to trusted users only. Monitor vendor channels for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-29T07:34:16.106Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2e6f2cbff5d861093cb86
Added to database: 4/30/2026, 5:21:54 AM
Last enriched: 4/30/2026, 5:36:29 AM
Last updated: 4/30/2026, 1:01:44 PM
Views: 11
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