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PatchSiren cyber security CVE debrief

CVE-2026-76882 Wireshark Foundation CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-19T23:16:19.070Z and has not been modified since then. This vulnerability affects Wireshark installations within these version ranges: 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7. The Bluetooth Attribute Protocol dissector in Wireshark crashes, allowing for denial of service. The CVSS score is 4.7, with a vector of CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H. Users of Wireshark should review and apply remediation to prevent potential service disruption. Official CVE Program and NVD records confirm Bluetooth Attribute Protocol dissector crash vulnerability in Wireshark, allowing denial of service. Limited details on exploitability and affected scope. Defenders should verify Wireshark versions, review vendor advisories, and monitor for potential service disruption.

Vendor
Wireshark Foundation
Product
Wireshark
CVSS
MEDIUM 4.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-19
Original CVE updated
2026-08-31
Advisory published
2026-08-19
Advisory updated
2026-08-31

Who should care

Users of Wireshark versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7 should review and apply remediation to prevent potential service disruption. This includes operators, security teams, and vulnerability management teams responsible for maintaining Wireshark installations within these version ranges.

Technical summary

The Bluetooth Attribute Protocol dissector in Wireshark versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7 crashes, allowing for denial of service. The CVSS score is 4.7, with a vector of CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H. This vulnerability affects Wireshark installations within these version ranges.

Defensive priority

Medium-priority defensive review recommended due to potential service disruption in Wireshark versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7.

Recommended defensive actions

  • Review Wireshark versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.7 for potential service disruption due to Bluetooth Attribute Protocol dissector crash
  • Apply vendor remediation when available
  • Monitor for exception tracking and retest

Evidence notes

Official CVE Program and NVD records confirm Bluetooth Attribute Protocol dissector crash vulnerability in Wireshark, allowing denial of service. Limited details on exploitability and affected scope. Defenders should verify Wireshark versions, review vendor advisories, and monitor for potential service disruption.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-76882 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-76882

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-76882 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-76882

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.