CVE-2026-6529

Heap-based Buffer Overflow in Wireshark

Published Apr 30, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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

Remediation

Vendor Solution

Upgrade to version 4.6.5 or above

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6249-1 wireshark security update
History
Type Values Removed Values Added
CPEs cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wireshark
Wireshark wireshark
Vendors & Products Wireshark
Wireshark wireshark
Type Values Removed Values Added
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
Title Heap-based Buffer Overflow in Wireshark
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Apr 30, 2026, 3:19 PM
Reserved
Apr 17, 2026, 3:05 PM
Status
Analyzed
Published
Apr 30, 2026, 7:16 AM
Modified
Nov 11, 2026, 9:10 PM
Severity
Moderate
Public date
Apr 30, 2026, 5:36 AM