CVE-2020-15667
First published: Tue Aug 25 2020(Updated: )
When processing a MAR update file, after the signature has been validated, an invalid name length could result in a heap overflow, leading to memory corruption and potentially arbitrary code execution. Within Firefox as released by Mozilla, this issue is only exploitable with the Mozilla-controlled signing key.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <80 | 80 |
| <80 | 80 | |
| Mozilla Firefox | <80.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-15667?
CVE-2020-15667 is a vulnerability in Mozilla Firefox that could lead to memory corruption and potentially arbitrary code execution.
How does CVE-2020-15667 occur?
CVE-2020-15667 occurs when processing a MAR update file after the signature has been validated, where an invalid name length could result in a heap overflow.
Is Mozilla Firefox affected by CVE-2020-15667?
Yes, Mozilla Firefox up to version 80.0 is affected by CVE-2020-15667.
What is the severity of CVE-2020-15667?
CVE-2020-15667 has a high severity rating with a CVSS score of 8.8.
What is the CWE ID of CVE-2020-15667?
The CWE ID of CVE-2020-15667 is 787.
- agent/type
- agent/first-publish-date
- agent/softwarecombine
- agent/references
- agent/weakness
- agent/author
- agent/severity
- collector/mozilla-advisory
- agent/software-canonical-lookup-request
- source/Mozilla
- agent/software-canonical-lookup
- agent/description
- collector/nvd-index
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- agent/trending
- vendor/mozilla
- canonical/mozilla firefox