Mozilla Firefox up to 111 on ARM64 Ion Compiler Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 111 on ARM64. The impacted element is an unknown function of the component Ion Compiler. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2023-29548. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Mozilla Firefox up to 111 on ARM64 (Web Browser). Affected is an unknown function of the component Ion Compiler. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

The weakness was disclosed 04/11/2023 by JunYoung Park as Bug 1822754 as confirmed advisory (Website). The advisory is available at bugzilla.mozilla.org. The advisory contains:

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result.
This vulnerability is traded as CVE-2023-29548. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/11/2025).

The vulnerability scanner Nessus provides a plugin with the ID 239763 (TencentOS Server 4: thunderbird (TSSA-2024:0450)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 112 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 (239763) and EUVD (EUVD-2023-33090). 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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: 239763
Nessus Name: TencentOS Server 4: thunderbird (TSSA-2024:0450)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 112

Timelineinfo

04/07/2023 🔍
04/11/2023 +4 days 🔍
04/11/2023 +0 days 🔍
04/14/2023 +3 days 🔍
12/11/2025 +972 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: Bug 1822754
Researcher: JunYoung Park
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-29548 (🔍)
GCVE (CVE): GCVE-0-2023-29548
GCVE (VulDB): GCVE-100-226002
EUVD: 🔍

Entryinfo

Created: 04/14/2023 16:37
Updated: 12/11/2025 04:39
Changes: 04/14/2023 16:37 (17), 04/14/2023 16:41 (29), 05/03/2023 12:58 (1), 01/10/2025 22:47 (35), 04/27/2025 09:49 (3), 06/20/2025 19:31 (2), 12/11/2025 04:39 (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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