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CVE-2020-35114

Date: January 7, 2021

Mozilla developers reported memory safety bugs present in Firefox 83. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 84.

Severity Score

Related Resources (6)

https://people.canonical.com/~ubuntu-security/cve/CVE-2020-35114
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1607449%2C1640416%2C1656459%2C1669914%2C1673567
https://www.mozilla.org/security/advisories/mfsa2020-54/
https://nvd.nist.gov/vuln/detail/CVE-2020-35114
https://security.alpinelinux.org/vuln/CVE-2020-35114
https://www.mend.io/vulnerability-database/CVE-2020-35114

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
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): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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