Mozilla Firefox up to 58.x memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Mozilla Firefox up to 58.x. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2018-5125. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 58.x (Web Browser). It has been declared as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/13/2018. The weakness was published 03/13/2018 by Christian Holler (Nils) with Mozilla as MFSA2018-06 as confirmed security advisory (Website). The advisory is available at mozilla.org. This vulnerability was named CVE-2018-5125 since 01/03/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 11/26/2025).

The vulnerability scanner Nessus provides a plugin with the ID 108899 (CentOS 7 : thunderbird (CESA-2018:0648)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370821 (Mozilla Firefox Multiple Vulnerabilities (mfsa2018-06 and mfsa2018-07)).

Upgrading to version 59 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 (108899), SecurityFocus (BID 103388†) and SecurityTracker (ID 1040514†). Similar entries are available at VDB-114731, VDB-114732, VDB-114733 and VDB-114734. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 108899
Nessus Name: CentOS 7 : thunderbird (CESA-2018:0648)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 702986
OpenVAS Name: CentOS Update for firefox CESA-2018:0527 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Firefox 59

Timelineinfo

01/03/2018 🔍
03/13/2018 +69 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/13/2018 +0 days 🔍
03/18/2018 +5 days 🔍
04/10/2018 +23 days 🔍
06/11/2018 +61 days 🔍
11/26/2025 +2725 days 🔍

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: MFSA2018-06
Researcher: Christian Holler (Nils)
Organization: Mozilla
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5125 (🔍)
GCVE (CVE): GCVE-0-2018-5125
GCVE (VulDB): GCVE-100-114730

OVAL: 🔍

SecurityFocus: 103388 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1040514

See also: 🔍

Entryinfo

Created: 03/18/2018 10:30
Updated: 11/26/2025 07:33
Changes: 03/18/2018 10:30 (78), 02/17/2020 19:39 (10), 02/05/2021 11:59 (2), 11/26/2025 07:33 (16)
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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