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CVE-2020-26978

Date: January 7, 2021

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.

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/CVE-2020-26978
https://nvd.nist.gov/vuln/detail/CVE-2020-26978
https://bugzilla.mozilla.org/show_bug.cgi?id=1677047
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26978
https://www.mozilla.org/security/advisories/mfsa2020-56/
https://security.alpinelinux.org/vuln/CVE-2020-26978
https://www.mozilla.org/security/advisories/mfsa2020-55/
https://www.mozilla.org/security/advisories/mfsa2020-54/
https://security-tracker.debian.org/tracker/CVE-2020-26978
https://www.mend.io/vulnerability-database/CVE-2020-26978

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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