Mozilla Thunderbird up to 102.8 JIT Code denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Thunderbird up to 102.8 and classified as problematic. Impacted is an unknown function of the component JIT Code Handler. The manipulation results in denial of service. This vulnerability was named CVE-2023-25751. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Thunderbird up to 102.8 (Mail Client Software). It has been classified as problematic. Affected is an unknown code of the component JIT Code Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 03/14/2023 by Lukas Bernhard as Bug 1814899 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash.
This vulnerability is traded as CVE-2023-25751. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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-2023-29658). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

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: 4.1

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

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

02/13/2023 🔍
03/14/2023 +29 days 🔍
03/14/2023 +0 days 🔍
04/14/2023 +31 days 🔍
11/02/2025 +933 days 🔍

Sourcesinfo

Vendor: mozilla.org

Advisory: Bug 1814899
Researcher: Lukas Bernhard
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-25751 (🔍)
GCVE (CVE): GCVE-0-2023-25751
GCVE (VulDB): GCVE-100-225978
EUVD: 🔍

Entryinfo

Created: 04/14/2023 16:22
Updated: 11/02/2025 11:55
Changes: 04/14/2023 16:22 (18), 04/14/2023 16:25 (28), 05/03/2023 10:03 (1), 06/20/2025 04:36 (17), 11/02/2025 11:55 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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