Vulnerability Description
Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 84.0 |
| Mozilla | Firefox Esr | < 78.6.0 |
| Mozilla | Thunderbird | < 78.6.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677047Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1677047Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2020-54/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-55/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-56/Vendor Advisory
FAQ
What is CVE-2020-26978?
CVE-2020-26978 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerabil...
How severe is CVE-2020-26978?
CVE-2020-26978 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26978?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.