Mozilla Thunderbird up to 115.6 Browser Prompt

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Mozilla Thunderbird up to 115.6. It has been classified as problematic. This vulnerability affects unknown code of the component Browser Prompt Handler. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2024-0742. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 115.6 (Mail Client Software). It has been rated as problematic. This issue affects an unknown code block of the component Browser Prompt Handler. Impacted is integrity. The summary by CVE is:

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

The weakness was disclosed 01/23/2024. The advisory is shared at bugzilla.mozilla.org. The identification of this vulnerability is CVE-2024-0742 since 01/19/2024. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/19/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239868 (TencentOS Server 3: thunderbird (TSSA-2024:0054)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (239868). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Mail Client Software

Vendor

Mozilla

Name

Thunderbird

Version

License

open-source

Website

Vendor: https://www.mozilla.org/

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

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 239868
Nessus Name: TencentOS Server 3: thunderbird (TSSA-2024:0054)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/19/2024 🔍
01/23/2024 +4 days 🔍
01/23/2024 +0 days 🔍
06/19/2025 +512 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: DLA 3720-1
Status: Confirmed

CVE: CVE-2024-0742 (🔍)
GCVE (CVE): GCVE-0-2024-0742
GCVE (VulDB): GCVE-100-251837

Entryinfo

Created: 01/23/2024 15:10
Updated: 06/19/2025 00:08
Changes: 01/23/2024 15:10 (38), 02/17/2024 08:32 (1), 02/17/2024 08:35 (10), 06/19/2025 00:08 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.