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CVE-2020-12407

Date: July 9, 2020

Mozilla Developer Nicolas Silva found that when using WebRender, Firefox would under certain conditions leak arbitrary GPU memory to the visible screen. The leaked memory content was visible to the user, but not observable from web content. This vulnerability affects Firefox < 77.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-12407
https://security.alpinelinux.org/vuln/CVE-2020-12407
https://bugzilla.mozilla.org/show_bug.cgi?id=1637112
https://www.mozilla.org/security/advisories/mfsa2020-20/
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12407
https://www.mend.io/vulnerability-database/CVE-2020-12407

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Out-of-bounds Read

CWE-125

CVSS v3.1

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

CVSS v2

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

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