CVE-2026-5654: Stack-based Buffer Overflow in Wireshark
Published Apr 30, 2026
·Updated
AMR-NB codec crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
Affected Software
3 affected components
Wireshark Wireshark>=4.6.0<=4.6.4, >=4.4.0<=4.4.14
Wireshark Wireshark>=4.4.0<=4.4.14
Wireshark Wireshark>=4.6.0<=4.6.4
Remediation
Information
Upgrade to version 4.6.5 or above
Event History
Apr 30, 2026
CVE Published
via MITRE·05:39 AM
Data Sourced
via MITRE·05:39 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-5654?
CVE-2026-5654 is classified as a denial of service vulnerability due to a stack-based buffer overflow.
2
How do I fix CVE-2026-5654?
To fix CVE-2026-5654, upgrade Wireshark to version 4.6.5 or later, or 4.4.15 or later.
3
Which versions of Wireshark are affected by CVE-2026-5654?
Wireshark versions 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 are affected by CVE-2026-5654.
4
What symptoms indicate a denial of service due to CVE-2026-5654?
Symptoms include crashes or unresponsive behavior when processing AMR-NB codec files in the affected versions of Wireshark.
5
Is there a workaround for CVE-2026-5654 until a fix is applied?
As an immediate workaround, avoid opening AMR-NB codec files with the affected versions of Wireshark.