Mozilla Firefox up to 118.0.1 Javascript Engine denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mozilla Firefox up to 118.0.1. It has been rated as problematic. This affects an unknown function of the component Javascript Engine. This manipulation causes denial of service. The identification of this vulnerability is CVE-2023-5728. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Mozilla Firefox up to 118.0.1 (Web Browser) and classified as problematic. Affected by this vulnerability is an unknown function of the component Javascript Engine. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was shared 10/24/2023 by anbu as Bug 1852729 as confirmed advisory (Website). The advisory is shared at bugzilla.mozilla.org. The advisory contains:

During garbage collection extra operations were performed on a object that should not be. This could have led to a potentially exploitable crash.
This vulnerability is known as CVE-2023-5728. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 276142 (TencentOS Server 3: firefox (TSSA-2023:0261)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 119 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (276142). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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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: 276142
Nessus Name: TencentOS Server 3: firefox (TSSA-2023:0261)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 119

Timelineinfo

10/23/2023 🔍
10/24/2023 +1 days 🔍
10/24/2023 +0 days 🔍
10/24/2023 +0 days 🔍
11/24/2025 +762 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1852729
Researcher: anbu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-5728 (🔍)
GCVE (CVE): GCVE-0-2023-5728
GCVE (VulDB): GCVE-100-243229

Entryinfo

Created: 10/24/2023 21:16
Updated: 11/24/2025 09:37
Changes: 10/24/2023 21:16 (18), 10/24/2023 21:19 (28), 11/15/2023 11:45 (2), 11/15/2023 11:52 (11), 09/11/2024 23:23 (27), 04/21/2025 09:23 (3), 11/24/2025 09:37 (2)
Complete: 🔍
Cache ID: 216::103

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

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