CVE-2026-6529: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
iLBC audio codec crash 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 involves a heap-based buffer overflow in the iLBC audio codec within Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The flaw can be triggered to cause a crash of the Wireshark application, leading to denial of service. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability. No official remediation or patch information is currently provided by the vendor.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service condition by crashing the Wireshark application. There is no indication of confidentiality or integrity impact. 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, users should exercise caution when analyzing iLBC audio codec traffic and consider using updated or alternative versions of Wireshark if available.
CVE-2026-6529: CWE-122: Heap-based Buffer Overflow in Wireshark Foundation Wireshark
Description
iLBC audio codec crash 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 involves a heap-based buffer overflow in the iLBC audio codec within Wireshark versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. The flaw can be triggered to cause a crash of the Wireshark application, leading to denial of service. The CVSS 3.1 base score is 5.5, reflecting a medium severity with local attack vector, low attack complexity, no privileges required, user interaction required, and impact limited to availability. No official remediation or patch information is currently provided by the vendor.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service condition by crashing the Wireshark application. There is no indication of confidentiality or integrity impact. 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, users should exercise caution when analyzing iLBC audio codec traffic and consider using updated or alternative versions of Wireshark if available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-17T15:05:57.690Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2f4ebcbff5d8610970c55
Added to database: 4/30/2026, 6:21:31 AM
Last enriched: 4/30/2026, 6:37:41 AM
Last updated: 4/30/2026, 11:24:40 PM
Views: 8
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