CVE-2026-76882: CWE-125: Out-of-bounds Read in Wireshark Foundation Wireshark
CVE-2026-76882 is an out-of-bounds read vulnerability in the Bluetooth Attribute Protocol dissector of Wireshark versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18. This flaw can cause the application to crash, resulting in a denial of service condition. The vulnerability has a medium severity rating with a CVSS score of 4.7.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read (CWE-125) in the Bluetooth Attribute Protocol dissector component of Wireshark. It affects versions 4.6.0 through 4.6.7 and 4.4.0 through 4.4.18. Exploitation can cause the Wireshark application to crash, leading to denial of service. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity, no privileges, and user interaction. There is no confidentiality or integrity impact, only availability is affected.
Potential Impact
Successful exploitation results in a denial of service by crashing the Wireshark application. There is no impact on confidentiality or integrity. The attack requires local access, high complexity, no privileges, and user interaction, limiting the ease of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
CVE-2026-76882: CWE-125: Out-of-bounds Read in Wireshark Foundation Wireshark
Description
CVE-2026-76882 is an out-of-bounds read vulnerability in the Bluetooth Attribute Protocol dissector of Wireshark versions 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18. This flaw can cause the application to crash, resulting in a denial of service condition. The vulnerability has a medium severity rating with a CVSS score of 4.7.
CVSS v3.1
Score 4.7medium
Affected software
pkg:github/wireshark/wiresharkRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read (CWE-125) in the Bluetooth Attribute Protocol dissector component of Wireshark. It affects versions 4.6.0 through 4.6.7 and 4.4.0 through 4.4.18. Exploitation can cause the Wireshark application to crash, leading to denial of service. The CVSS 3.1 vector indicates the attack requires local access with high attack complexity, no privileges, and user interaction. There is no confidentiality or integrity impact, only availability is affected.
Potential Impact
Successful exploitation results in a denial of service by crashing the Wireshark application. There is no impact on confidentiality or integrity. The attack requires local access, high complexity, no privileges, and user interaction, limiting the ease of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround has been documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-08-19T22:34:14.934Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8633c7acd9273b49b8ad44
Added to database: 08/19/2026, 22:52:55 UTC
Last enriched: 08/19/2026, 23:09:01 UTC
Last updated: 08/20/2026, 03:00:31 UTC
Views: 4
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