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HIGHCVE-2026-5403Published Modified CNA GitLab

CVE-2026-5403: Heap-based Buffer Overflow in Wireshark

SBC codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service and possible code execution

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
4.4.15
Affected Products
1

Fix available

4.4.154.6.5
Affected packages
  • Wireshark Foundation / Wireshark
    < 4.6.5 (from 4.6.0) · < 4.4.15 (from 4.4.0)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2026-5403: Heap-based Buffer Overflow in Wireshark | HarborGuard CVE