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CVE-2020-12396

Date: May 26, 2020

Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.

Severity Score

Related Resources (8)

https://security.gentoo.org/glsa/202005-04
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C1622291%2C1627644
https://access.redhat.com/security/cve/CVE-2020-12396
https://www.mozilla.org/security/advisories/mfsa2020-16/
https://nvd.nist.gov/vuln/detail/CVE-2020-12396
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12396
https://security.alpinelinux.org/vuln/CVE-2020-12396
https://www.mend.io/vulnerability-database/CVE-2020-12396

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

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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