high7.8
CVE-2026-5403
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
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Wireshark | Wireshark | from 4.4.0 before 4.4.15 from 4.6.0 before 4.6.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://gitlab.com/wireshark/wireshark/-/issues/21103
- https://www.wireshark.org/security/wnpa-sec-2026-16.html
- https://access.redhat.com/security/cve/CVE-2026-5403
- https://bugzilla.redhat.com/show_bug.cgi?id=2464271
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5403.json