Search: “Mozilla Firefox”

318 stories

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CategoryAll Vulnerability 318 Malware 181 Exploit / PoC 116 Ransomware 82 Data breach 35 Industry 35 Threat actor 31 Policy & legal 22 Phishing & fraud 20 AI tools & infra 9 Research 7 Advisory 5 Tools 4 AI industry 3

SeverityAll critical 385 high 192 medium 202 low 74 info 15

Threat Roundup for July 2 to July 9

Cisco TalosJul 9, 18:51 UTC · Jul 9, 2021Vulnerability

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Threat Roundup for April 23 to April 30

Cisco TalosApr 30, 19:10 UTC · Apr 30, 2021Vulnerability

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Vulnerability Spotlight: Information disclosure vulnerability in Mozilla Firefox

Cisco TalosJul 1, 19:51 UTC · Jul 1, 2020Vulnerability in the wildCVE-2020-12418

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Vulnerability Spotlight: Code execution vulnerability in Mozilla Firefox

Cisco TalosAug 10, 16:21 UTC · Aug 10, 2021Vulnerability in the wildCVE-2021-29985

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Rule release for today

Cisco TalosJul 15, 23:01 UTC · Jul 15, 2009Vulnerability

42

2 New Mozilla Firefox 0-Day Bugs Under Active Attack — Patch Your Browser ASAP!

The Hacker NewsMar 8, 03:33 UTC · Mar 8, 2022Vulnerability in the wildCVE-2022-26485 CVE-2022-26486

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Threat Roundup for May 26 to June 2

Cisco TalosJun 2, 21:56 UTC · Jun 2, 2023Vulnerability

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Threat Round-up for June 2

Cisco TalosJun 9, 18:41 UTC · Jun 9, 2017Vulnerability

30

Threat Roundup for February 12 to February 19

Cisco TalosFeb 19, 23:07 UTC · Feb 19, 2021Vulnerability

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Vulnerability Spotlight: Remote code execution vulnerability in Firefox’s SharedWorkerService function

Cisco TalosJun 10, 14:00 UTC · Jun 10, 2020Vulnerability in the wildCVE-2020-12405

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Rule release for today

Cisco TalosMar 27, 21:27 UTC · Mar 27, 2009Vulnerability

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Mozilla fixes a critical remote code execution vulnerability in Firefox

Security AffairsJan 31, 22:19 UTC · Jan 31, 2018Vulnerability CVE-2018-5124

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Mozilla addresses 'master password' security bypass flaw in Firefox

Security AffairsAug 16, 06:56 UTC · Aug 16, 2019Vulnerability CVE-2019-11733

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Mozilla addresses CVE-2019-17026 Firefox Zero

Security AffairsJan 9, 13:25 UTC · Jan 9, 2020Vulnerability CVE-2019-17026

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Threat Round up for January 13 to January 20

Cisco TalosJan 20, 21:38 UTC · Jan 20, 2023Vulnerability

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Threat Roundup for July 9 to July 16

Cisco TalosJul 16, 17:07 UTC · Jul 16, 2021Vulnerability

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Threat Roundup for December 31 to January 7

Cisco TalosJan 7, 21:41 UTC · Jan 7, 2022Vulnerability

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Hackers awarded $267,000 at Pwn2Own 2018, was far less than in the past editions

Security AffairsMar 17, 13:36 UTC · Mar 17, 2018Vulnerability

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Google and Mozilla address serious flaws in Firefox and Chrome browsers

Security AffairsApr 9, 15:30 UTC · Apr 9, 2020Vulnerability CVE-2020-6825 CVE-2020-6826 CVE-2020-6828+8 CVEs

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Mozilla plans to ban Firefox Extensions containing obfuscated code

Security AffairsMay 4, 10:57 UTC · May 4, 2019Vulnerability

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Mozilla offers rewards for Bypassing Firefox Exploit Mitigations

Security AffairsAug 21, 15:55 UTC · Aug 21, 2020Vulnerability

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Mozilla fixed critical Firefox vulnerability CVE-2025

Security AffairsMar 28, 09:51 UTC · Mar 28, 2025Vulnerability in the wildCVE-2025-2857 CVE-2025-2783

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Mozilla addresses High-Risk Firefox, Thunderbird vulnerabilities

Security AffairsJan 13, 12:47 UTC · Jan 13, 2022Vulnerability CVE-2022-22746 CVE-2022-22743 CVE-2022-22742+5 CVEs

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Threat Roundup (Feb. 24

Cisco TalosMar 3, 20:00 UTC · Mar 3, 2023Vulnerability

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Threat Roundup for October 13 to October 20

Cisco TalosOct 20, 19:38 UTC · Oct 20, 2023Vulnerability

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Threat Roundup for March 18 to March 25

Cisco TalosMar 25, 19:01 UTC · Mar 25, 2022Vulnerability1

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Threat Roundup for August 13 to August 20

Cisco TalosAug 20, 18:23 UTC · Aug 20, 2021Vulnerability1

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Threat Roundup for July 17 to July 24

Cisco TalosJul 24, 21:14 UTC · Jul 24, 2020Vulnerability1

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Firefox 67.0.4 Released — Mozilla Patches Second 0

The Hacker NewsJun 21, 17:47 UTC · Jun 21, 2019Vulnerability in the wildCVE-2019-11708 CVE-2019-11707

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Threat Roundup for June 28 to July 5

Cisco TalosJul 5, 20:17 UTC · Jul 5, 2019Vulnerability

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Mozilla will block Firefox add-ons that contain obfuscated code

Help Net SecurityMay 6, 05:21 UTC · May 6, 2019Vulnerability

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Mozilla will use AI coding assistant to preemptively catch Firefox bugs

Help Net SecurityFeb 15, 00:00 UTC · Feb 15, 2019Vulnerability

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Mozilla fixed high-severity bugs in Firefox and Thunderbird mail client

Security AffairsDec 9, 19:17 UTC · Dec 9, 2021Vulnerability CVE-2021-43536 CVE-2021-43538 CVE-2021-43539

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Rule release for today

Cisco TalosMar 31, 23:18 UTC · Mar 31, 2009Vulnerability CVE-2009-0819

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You can’t be invulnerable, but you can be well protected

Kaspersky SecurelistDec 23, 09:28 UTC · Dec 23, 2015Vulnerability CVE-2015-0310 CVE-2015-0311 CVE-2015-0313+14 CVEs

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For the second time in the year, experts found a flaw in Cisco WebEx Extension

Security AffairsJul 17, 20:23 UTC · Jul 17, 2017Vulnerability CVE-2017-6753

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Vulnerability Spotlight

Cisco TalosDec 19, 16:52 UTC · Dec 19, 2025Vulnerability

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Threat Roundup for June 22

Cisco TalosJun 29, 15:42 UTC · Jun 29, 2018Vulnerability

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⚡ Weekly Recap: AI-Powered Phishing, Android Spying Tool, Linux Exploit, GitHub RCE & More

The Hacker NewsMay 5, 05:41 UTC · May 5, 2026Vulnerability in the wildCVE-2026-41940 CVE-2026-31431 CVE-2026-3854+2 CVEs1

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Threat Round Up for Aug 25

Cisco TalosSep 1, 17:12 UTC · Sep 1, 2017Vulnerability1

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