wnpa-sec-2026-16 · SBC audio codec crash
Summary
Name: SBC audio codec crash
Docid: wnpa-sec-2026-16
Date: April 29, 2026
Affected versions: 4.6.0 to 4.6.4, 4.4.0 to 4.4.14
Fixed versions: 4.6.5, 4.4.15
References:
Wireshark issue 21103.
CVE-2026-5403.
Details
Description
The SBC audio codec could crash.
Impact
Discovered by Duc Anh Nguyen. We are unaware of any exploits for this issue. It may be possible to make Wireshark crash or execute arbitrary code by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.
Resolution
Upgrade to Wireshark 4.6.5, 4.4.15 or later.
