Denial of Service Vulnerability in Wireshark AMR-NB Codec by Wireshark
CVE-2026-5654

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
30 April 2026

What is CVE-2026-5654?

The AMR-NB codec in Wireshark versions from 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 is vulnerable to a flaw that may cause the application to crash. This vulnerability can lead to a denial of service, affecting the ability for users to perform network analysis efficiently. By maliciously manipulating AMR-NB codec operations, an attacker could exploit this vulnerability, resulting in disruptions to service and loss of functionality for network traffic inspection.

Affected Version(s)

Wireshark 4.6.0 < 4.6.5

Wireshark 4.4.0 < 4.4.15

References

https://www.wireshark.org/security/wnpa-sec-2026-18.html
https://gitlab.com/wireshark/wireshark/-/issues/21111
issue-trackingpermissions-required

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alexandre de Oliveira
.