Wireshark up to 4.4.14/4.6.4 AMR-NB Codec stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Wireshark up to 4.4.14/4.6.4. This vulnerability affects unknown code of the component AMR-NB Codec. The manipulation results in stack-based overflow. This vulnerability is cataloged as CVE-2026-5654. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Wireshark up to 4.4.14/4.6.4. Affected is some unknown functionality of the component AMR-NB Codec. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on availability. CVE summarizes:

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

The weakness was shared by Alexandre De Oliveira as 21111. The advisory is shared for download at wireshark.org. This vulnerability is traded as CVE-2026-5654 since 04/06/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 313625 (openSUSE 16 Security Update : wireshark (openSUSE-SU-2026:20685-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.4.15 or 4.6.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (313625) and CERT Bund (WID-SEC-2026-1311). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Open Source Wireshark

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (GitLab): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 313625
Nessus Name: openSUSE 16 Security Update : wireshark (openSUSE-SU-2026:20685-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Wireshark 4.4.15/4.6.5

Timelineinfo

04/06/2026 CVE reserved
04/30/2026 +24 days Advisory disclosed
04/30/2026 +0 days VulDB entry created
05/11/2026 +11 days VulDB entry last update

Sourcesinfo

Product: wireshark.org

Advisory: 21111
Researcher: Alexandre De Oliveira
Status: Confirmed

CVE: CVE-2026-5654 (🔒)
GCVE (CVE): GCVE-0-2026-5654
GCVE (VulDB): GCVE-100-360264
CERT Bund: WID-SEC-2026-1311 - Wireshark: Mehrere Schwachstellen

Entryinfo

Created: 04/30/2026 12:16
Updated: 05/11/2026 06:23
Changes: 04/30/2026 12:16 (66), 04/30/2026 18:01 (7), 05/11/2026 06:23 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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