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Wireshark CVE-2026-6529

| EUVD-2026-26336 MEDIUM
Heap-based Buffer Overflow (CWE-122)
2026-04-30 GitLab
Buffer Overflow Denial Of Service Heap Overflow Red Hat Suse
5.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

6
Patch released
May 01, 2026 - 19:28 nvd
Patch available
Patch available
Apr 30, 2026 - 08:16 EUVD
Analysis Generated
Apr 30, 2026 - 06:46 vuln.today
EUVD ID Assigned
Apr 30, 2026 - 06:30 euvd
EUVD-2026-26336
Analysis Generated
Apr 30, 2026 - 06:30 vuln.today
CVE Published
Apr 30, 2026 - 05:36 nvd
MEDIUM 5.5

DescriptionNVD

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

AnalysisAI

Heap buffer overflow in the iLBC audio codec dissector in Wireshark 4.6.0-4.6.4 and 4.4.0-4.4.14 allows local attackers with user interaction to trigger a denial of service crash by supplying a malformed iLBC packet. The vulnerability requires user interaction to open a crafted packet capture file and does not enable code execution.

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CVE-2026-6529 vulnerability details – vuln.today
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