CVE-2026-5403
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
CVE-2026-5403 is fixed in wireshark on 1 platform, first by DEBIAN-CVE-2026-5403, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
5th percentile
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
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| wireshark · Debian 13.5 (trixie) | 4.4.15-0+deb13u1 | DEBIAN-CVE-2026-5403 | May 15, 2026 |
| wireshark · Debian 14 | 4.6.5-1 | DEBIAN-CVE-2026-5403 | May 15, 2026 |
| wireshark · sles 15.7 | 4.6.7-150700.21.11.1 | SUSE-SU-2026:3501-1 | Aug 5, 2026 |
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