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CVE-2020-6825

Date: April 24, 2020

Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6. 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 Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.

Severity Score

Related Resources (11)

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1572541%2C1620193%2C1620203
https://usn.ubuntu.com/4335-1/
https://www.mozilla.org/security/advisories/mfsa2020-12/
https://security-tracker.debian.org/tracker/CVE-2020-6825
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-6825
https://access.redhat.com/security/cve/CVE-2020-6825
https://security.alpinelinux.org/vuln/CVE-2020-6825
https://nvd.nist.gov/vuln/detail/CVE-2020-6825
https://www.mozilla.org/security/advisories/mfsa2020-14/
https://www.mozilla.org/security/advisories/mfsa2020-13/
https://www.mend.io/vulnerability-database/CVE-2020-6825

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3.1

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

CVSS v2

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

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