Mozilla Thunderbird up to 102.8 AudioWorklet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Thunderbird up to 102.8. It has been declared as problematic. The impacted element is an unknown function of the component AudioWorklet Handler. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2023-28162. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 102.8 (Mail Client Software). It has been rated as problematic. Affected by this issue is some unknown processing of the component AudioWorklet Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

The weakness was published 03/14/2023 by Lukas Bernhard as Bug 1811327 as confirmed advisory (Website). The advisory is shared for download at bugzilla.mozilla.org. The advisory contains:

While implementing AudioWorklets, some code may have casted one type to another, invalid, dynamic type. This could have led to a potentially exploitable crash.
This vulnerability is handled as CVE-2023-28162. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 239802 (TencentOS Server 3: firefox (TSSA-2023:0043)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 102.9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (239802) and EUVD (EUVD-2023-31870). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239802
Nessus Name: TencentOS Server 3: firefox (TSSA-2023:0043)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Thunderbird 102.9

Timelineinfo

03/13/2023 🔍
03/14/2023 +1 days 🔍
03/14/2023 +0 days 🔍
04/14/2023 +31 days 🔍
12/02/2025 +963 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1811327
Researcher: Lukas Bernhard
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-28162 (🔍)
GCVE (CVE): GCVE-0-2023-28162
GCVE (VulDB): GCVE-100-225980
EUVD: 🔍

Entryinfo

Created: 04/14/2023 16:23
Updated: 12/02/2025 09:45
Changes: 04/14/2023 16:23 (18), 04/14/2023 16:26 (28), 05/03/2023 10:12 (1), 01/09/2025 17:21 (36), 04/27/2025 10:18 (3), 06/20/2025 08:05 (2), 12/02/2025 09:45 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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