2464271 – (CVE-2026-5403) CVE-2026-5403 wireshark: Heap-based Buffer Overflow in Wireshark

Bug 2464271 (CVE-2026-5403) - CVE-2026-5403 wireshark: Heap-based Buffer Overflow in Wireshark

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

Keywords:
Status:	NEW
Alias:	CVE-2026-5403
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	high
Severity:	high
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:	2466572
Blocks:
TreeView+	depends on / blocked

Attachments	(Terms of Use)

Description OSIDB Bzimport 2026-05-01 00:01:19 UTC

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

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