| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Mozilla Firefox up to 59.0.3. Affected is an unknown function. The manipulation results in memory corruption. This vulnerability is known as CVE-2018-5150. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability was found in Mozilla Firefox up to 59.0.3 (Web Browser). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.
The bug was discovered 05/09/2018. The weakness was published 05/09/2018 by Ronald Crane (Alex) with Dell as MFSA 2018-11 as confirmed security advisory (Website). The advisory is shared for download at mozilla.org. This vulnerability is traded as CVE-2018-5150 since 01/03/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/26/2025).
The vulnerability scanner Nessus provides a plugin with the ID 110109 (Oracle Linux 6 : thunderbird (ELSA-2018-1726)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351295 (Amazon Linux Security Advisory for thunderbird: ALAS2-2018-1032).
Upgrading to version 60.0 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 (110109), SecurityFocus (BID 104136†) and SecurityTracker (ID 1040896†). Similar entries are available at VDB-117589, VDB-117590, VDB-117591 and VDB-117592. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
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: 110109
Nessus Name: Oracle Linux 6 : thunderbird (ELSA-2018-1726)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 61602
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1376-1] firefox-esr security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 60.0
Timeline
01/03/2018 🔍05/09/2018 🔍
05/09/2018 🔍
05/09/2018 🔍
05/09/2018 🔍
05/10/2018 🔍
05/11/2018 🔍
05/25/2018 🔍
06/11/2018 🔍
11/26/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2018-11
Researcher: Ronald Crane (Alex)
Organization: Dell
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-5150 (🔍)
GCVE (CVE): GCVE-0-2018-5150
GCVE (VulDB): GCVE-100-117600
OVAL: 🔍
SecurityFocus: 104136 - Mozilla Firefox and Firefox ESR Multiple Security Vulnerabilities
SecurityTracker: 1040896
See also: 🔍
Entry
Created: 05/11/2018 10:45Updated: 11/26/2025 07:33
Changes: 05/11/2018 10:45 (77), 02/04/2020 11:34 (11), 03/11/2023 15:47 (4), 11/26/2025 07:33 (15)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.

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