CVE-2020-16012

Mozilla: Variable time processing of cross-origin images during drawImage calls

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Un filtrado de información de canal lateral en graphics en Google Chrome versiones anteriores a 87.0.4280.66, permitió a un atacante remoto filtrar datos de origen cruzado por medio de una página HTML diseñada

An update that fixes 23 vulnerabilities is now available. This update for chromium fixes the following issues. Use after free in payments. Inappropriate implementation in filesystem. Inappropriate implementation in cryptohome. Race in ImageBurner. Insufficient policy enforcement in networking. Insufficient data validation in WASM. R Use after free in PPAPI. Use after free in WebCodecs. Heap buffer overflow in UI. Heap buffer overflow in clipboard. Use after free in WebRTC. Insufficient policy enforcement in developer tools. R Heap buffer overflow in WebRTC. Inappropriate implementation in PDFium. Insufficient data validation in Blink. Insufficient data validation in Flash. Incorrect security UI in tab preview. Incorrect security UI in sharing. Incorrect security UI in WebUSB. Inappropriate implementation in WebRTC. Insufficient data validation in cros-disks. Side-channel information leakage in graphics. Inappropriate implementation in cookies. This update was imported from the openSUSE:Leap:15.2:Update update project.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-27 CVE Reserved
2020-11-18 CVE Published
2024-03-29 First Exploit
2024-08-04 CVE Updated
2025-06-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-829: Inclusion of Functionality from Untrusted Control Sphere

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC
https://github.com/aleksejspopovs/cve-2020-16012	2024-03-29
https://github.com/helidem/CVE-2020-16012-PoC	2025-05-15
https://crbug.com/1088224	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://chromereleases.googleblog.com/2020/11/stable-channel-update-for-desktop_17.html	2021-01-12
https://access.redhat.com/security/cve/CVE-2020-16012	2020-12-01
https://bugzilla.redhat.com/show_bug.cgi?id=1898732	2020-12-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 87.0.4280.66 Search vendor "Google" for product "Chrome" and version " < 87.0.4280.66"		-		Affected
Mozilla Search vendor "Mozilla"		Firefox Search vendor "Mozilla" for product "Firefox"				< 83.0 Search vendor "Mozilla" for product "Firefox" and version " < 83.0"		-		Affected