CVE-2026-5403
High
Description
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
SeverityHigh
CVSS7.8
Exploit probability—
ProductWireshark
PublishedMay 1, 2026
First seenMay 1, 2026
Weakness typeCWE-122CWE-122
How to fix
Update
- wireshark wireshark4.4.15, 4.6.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wireshark wireshark | 4.4.0 ≤ v < 4.4.15, 4.6.0 ≤ v < 4.6.5 | 4.4.15, 4.6.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.