CVE-2026-6525: CWE-476: NULL Pointer Dereference in Wireshark Foundation Wireshark
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4
AI Analysis
Technical Summary
This vulnerability (CVE-2026-6525) involves a NULL pointer dereference (CWE-476) in the IEEE 802.11 protocol dissector component of Wireshark versions 4.6.0 through 4.6.4. When Wireshark processes crafted packets, the flaw can trigger a crash, leading to denial of service. 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 has been published as of the provided data.
Potential Impact
The vulnerability causes Wireshark to crash, resulting in denial of service (availability impact). There is no impact on confidentiality or integrity. Exploitation requires local access and user interaction. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Wireshark Foundation advisory for current remediation guidance. Until a fix is available, users should exercise caution when analyzing untrusted IEEE 802.11 traffic and avoid opening suspicious capture files. Monitor official Wireshark channels for updates and patches addressing this issue.
CVE-2026-6525: CWE-476: NULL Pointer Dereference in Wireshark Foundation Wireshark
Description
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-6525) involves a NULL pointer dereference (CWE-476) in the IEEE 802.11 protocol dissector component of Wireshark versions 4.6.0 through 4.6.4. When Wireshark processes crafted packets, the flaw can trigger a crash, leading to denial of service. 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 has been published as of the provided data.
Potential Impact
The vulnerability causes Wireshark to crash, resulting in denial of service (availability impact). There is no impact on confidentiality or integrity. Exploitation requires local access and user interaction. No known exploits have been reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the Wireshark Foundation advisory for current remediation guidance. Until a fix is available, users should exercise caution when analyzing untrusted IEEE 802.11 traffic and avoid opening suspicious capture files. Monitor official Wireshark channels for updates and patches addressing this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-17T15:05:37.692Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f5e8becbff5d8610d7fccc
Added to database: 5/2/2026, 12:06:22 PM
Last enriched: 5/10/2026, 2:12:03 AM
Last updated: 6/16/2026, 4:51:19 PM
Views: 133
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