CVE-2026-7375: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark Foundation Wireshark
UDS protocol dissector infinite loop 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
This vulnerability (CVE-2026-7375) affects 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 classified under CWE-835, indicating a loop with an unreachable exit condition, resulting in an infinite loop within the UDS protocol dissector. The infinite loop can cause the application to hang or crash, leading to denial of service. The CVSS 3.1 base score is 5.5, reflecting medium severity with local attack vector, low attack complexity, no privileges required, and user interaction needed. No official remediation or patch is currently documented, and no known exploits have been observed in the wild.
Potential Impact
Successful exploitation causes denial of service by triggering an infinite loop in the UDS protocol dissector of Wireshark, potentially causing the application to become unresponsive. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Wireshark Foundation vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted UDS protocol data with affected Wireshark versions. No official fix or temporary workaround is currently documented.
CVE-2026-7375: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark Foundation Wireshark
Description
UDS protocol dissector infinite loop 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
This vulnerability (CVE-2026-7375) affects 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 classified under CWE-835, indicating a loop with an unreachable exit condition, resulting in an infinite loop within the UDS protocol dissector. The infinite loop can cause the application to hang or crash, leading to denial of service. The CVSS 3.1 base score is 5.5, reflecting medium severity with local attack vector, low attack complexity, no privileges required, and user interaction needed. No official remediation or patch is currently documented, and no known exploits have been observed in the wild.
Potential Impact
Successful exploitation causes denial of service by triggering an infinite loop in the UDS protocol dissector of Wireshark, potentially causing the application to become unresponsive. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Wireshark Foundation vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted UDS protocol data with affected Wireshark versions. No official fix or temporary workaround is currently documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-29T07:34:01.353Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2e6f2cbff5d861093cb7e
Added to database: 4/30/2026, 5:21:54 AM
Last enriched: 4/30/2026, 5:36:49 AM
Last updated: 4/30/2026, 12:51:32 PM
Views: 9
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