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BleepingComputerWindows 11 and Microsoft Edge hacked at Pwn2Own Berlin 2026

Exploited
Zeroday
First published (updated )
News
BleepingComputer

BleepingComputerGhostPoster attacks hide malicious JavaScript in Firefox addon logos

Exploited
First published (updated )
News
BleepingComputer

BleepingComputerHackers earn $1,078,750 for 28 zero-days at Pwn2Own Berlin

Exploited
Zeroday
First published (updated )
News
BleepingComputer

Mozilla FirefoxOut-of-bounds access when optimizing linear sums

Risk 81
Severity
8.8
Exploited
Zeroday
EPSS
0.04%
First published (updated )
CVE-2025-4919

Mozilla FirefoxOut-of-bounds access when resolving Promise objects

Risk 87
Severity
9.8
Exploited
Zeroday
EPSS
0.04%
First published (updated )
CVE-2025-4918
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Mozilla FirefoxIncorrect handle could lead to sandbox escapes

Risk 88
Severity
10
Exploited
Zeroday
EPSS
0.05%
First published (updated )
CVE-2025-2857

Mozilla ThunderbirdMozilla Firefox Use-After-Free Vulnerability

Risk 89
Severity
9.8
Exploited
Zeroday
EPSS
0.36%
First published (updated )
CVE-2024-9680

Open-Xchange Open-xchange Appsuite FrontendStored XSS via PDFjs

Risk 73
Severity
8.8
Exploited
EPSS
0.04%
First published (updated )
CVE-2024-4367

npm/electronHeap buffer overflow in vp8 encoding in libvpx

Risk 93
Severity
8.8
Exploited
Zeroday
EPSS
29.61%
First published (updated )
CVE-2023-5217

Mozilla FirefoxHeap buffer overflow in WebP

Risk 95
Severity
8.8
Exploited
Zeroday
First published (updated )
CVE-2023-4863
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Mozilla FirefoxMozilla Firefox Use-After-Free Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2022-26485

Mozilla FirefoxMozilla Firefox Use-After-Free Vulnerability

Risk 98
Severity
9.6
Exploited
First published (updated )
CVE-2022-26486

Google ChromeHeap buffer overflow in Freetype

Risk 98
Severity
9.6
Exploited
First published (updated )
CVE-2020-15999

Mozilla FirefoxMozilla Firefox And Thunderbird Use-After-Free Vulnerability

Risk 92
Severity
8.1
Exploited
First published (updated )
CVE-2020-6819

Mozilla FirefoxMozilla Firefox And Thunderbird Use-After-Free Vulnerability

Risk 92
Severity
8.1
Exploited
First published (updated )
CVE-2020-6820
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Mozilla FirefoxMozilla Firefox And Thunderbird Type Confusion Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2019-17026

Mozilla FirefoxMozilla Firefox and Thunderbird Sandbox Escape Vulnerability

Risk 100
Severity
10
Exploited
First published (updated )
CVE-2019-11708

Mozilla FirefoxMozilla Firefox and Thunderbird Type Confusion Vulnerability

Risk 95
Severity
8.8
Exploited
First published (updated )
CVE-2019-11707

Mozilla FirefoxMozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability

Risk 65
Severity
7.5
Exploited
First published (updated )
CVE-2016-9079

redhat Enterprise Linux EusMozilla Firefox Security Feature Bypass Vulnerability

Risk 91
Severity
8.8
Exploited
First published (updated )
CVE-2015-4495
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Mozilla FirefoxMozilla Firefox and Thunderbird Denial-of-Service Vulnerability

Risk 97
Severity
8.8
Exploited
First published (updated )
CVE-2013-1690

Mozilla FirefoxMozilla Firefox Information Disclosure Vulnerability

Risk 65
Severity
6.5
Exploited
First published (updated )
CVE-2013-1675

Mozilla FirefoxMozilla Multiple Products Remote Code Execution Vulnerability

Risk 99
Severity
9.8
Exploited
First published (updated )
CVE-2010-3765

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