Search: “Firefox ESR”

141 stories

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Vulnerability 141 Exploit / PoC 38 Ransomware 4 Data breach 4 Industry 3 Advisory 2 AI tools & infra 2 Malware 1 Tools 1

SeverityAll critical 167 high 8 medium 14 low 5 info 2

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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Google is winding up Gmail support for older Chrome versions

Help Net SecurityFeb 6, 00:00 UTC · Feb 6, 2017Vulnerability

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Mozilla Patches Critical Firefox Bug Similar to Chrome’s Recent Zero

The Hacker NewsMar 28, 11:36 UTC · Mar 28, 2025Vulnerability in the wildCVE-2025-2857 CVE-2025-2783

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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 CVE-2019-17026 Firefox Zero

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

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February 2025 Patch Tuesday forecast: New directions for AI development

Help Net SecurityFeb 10, 00:00 UTC · Feb 10, 2025Vulnerability in the wildCVE-2025-21418 CVE-2025-21391 CVE-2025-24085

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January 2025 Patch Tuesday forecast: Changes coming in cybersecurity guidance

Help Net SecurityJan 14, 21:03 UTC · Jan 14, 2025Vulnerability in the wildCVE-2024-49138 CVE-2024-49113 CVE-2024-491121

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December 2024 Patch Tuesday forecast: The secure future initiative impact

Help Net SecurityJan 10, 07:20 UTC · Jan 10, 2025Vulnerability CVE-2024-49138

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November 2024 Patch Tuesday forecast: New servers arrive early

Help Net SecurityNov 11, 00:00 UTC · Nov 11, 2024Vulnerability in the wildCVE-2024-43451 CVE-2024-49039

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Critical Firefox, Tor Browser sandbox escape flaw fixed (CVE-2025-2857)

Help Net SecurityApr 2, 08:44 UTC · Apr 2, 2025Vulnerability in the wildCVE-2025-2857 CVE-2025-2783

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May 2026 Patch Tuesday forecast: AI starts driving security industry changes

Help Net SecurityMay 12, 19:03 UTC · May 12, 2026Vulnerability CVE-2026-40372 CVE-2026-33825 CVE-2026-314311

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April 2026 Patch Tuesday forecast: Spring-cleaning of a preview

Help Net SecurityApr 10, 00:00 UTC · Apr 10, 2026Vulnerability in the wildCVE-2026-52811

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March 2026 Patch Tuesday forecast: Is AI security an oxymoron?

Help Net SecurityMar 11, 16:53 UTC · Mar 11, 2026Vulnerability CVE-2026-06281

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Mozilla Rushes to Patch WebP Critical Zero

The Hacker NewsSep 15, 00:00 UTC · Sep 15, 2023Vulnerability in the wildCVE-2023-4863

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September 2022 Patch Tuesday forecast: No sign of cooling off

Help Net SecuritySep 9, 00:00 UTC · Sep 9, 2022Vulnerability CVE-2022-34713 CVE-2022-32893 CVE-2022-32894+1 CVEs

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August 2022 Patch Tuesday forecast: Printers again?

Help Net SecurityAug 10, 13:18 UTC · Aug 10, 2022Vulnerability CVE-2021-33764

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Patch management is not just IT's responsibility, get your whole team on board

Help Net SecuritySep 9, 18:13 UTC · Sep 9, 2018Vulnerability CVE-2018-5002

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April 2025 Patch Tuesday forecast: More AI security introduced by Microsoft

Help Net SecurityApr 4, 00:00 UTC · Apr 4, 2025Vulnerability

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May 2025 Patch Tuesday forecast: Panic, change, and hope

Help Net SecurityMay 13, 19:55 UTC · May 13, 2025Vulnerability in the wildCVE-2025-29824 CVE-2025-26647

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October 2021 Patch Tuesday forecast: Halloween came early this year

Help Net SecurityNov 6, 16:04 UTC · Nov 6, 2021Vulnerability CVE-2021-30869

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May 2018 Patch Tuesday forecast: Where are the flowers?

Help Net SecurityMay 7, 00:00 UTC · May 7, 2018Vulnerability

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August 2023 Patch Tuesday forecast: Software security improvements

Help Net SecuritySep 7, 16:07 UTC · Sep 7, 2023Vulnerability CVE-2023-35078 CVE-2023-35081

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July 2021 Patch Tuesday: Microsoft fixes 4 actively exploited bugs

Help Net SecurityJul 13, 00:00 UTC · Jul 13, 2021Vulnerability in the wildCVE-2021-34527 CVE-2021-34448 CVE-2021-33771+6 CVEs

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Two critical Firefox vulnerabilities exploited by attackers, patch now!

Help Net SecurityApr 6, 00:00 UTC · Apr 6, 2020Vulnerability in the wildCVE-2020-6819 CVE-2020-6820

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Patch Tuesday, January 2026 Edition

Krebs on SecurityJan 15, 00:00 UTC · Jan 15, 2026Vulnerability in the wildCVE-2026-20805 CVE-2026-20952 CVE-2026-20953+6 CVEs1

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Actively exploited Firefox, Tor Browser 0-day patched, update now!

Help Net SecurityDec 1, 00:00 UTC · Dec 1, 2016Vulnerability in the wildCVE-2016-9079

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August 2024 Patch Tuesday forecast: Looking for a calm August release

Help Net SecurityAug 13, 20:10 UTC · Aug 13, 2024Vulnerability in the wild

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November 2020 Patch Tuesday: Microsoft fixes actively exploited Windows Kernel flaw

Help Net SecurityJun 8, 18:29 UTC · Jun 8, 2021Vulnerability in the wildCVE-2020-17087 CVE-2020-17051 CVE-2020-17040+2 CVEs

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Tails OS Users Advised Not to Use Tor Browser Until Critical Firefox Bugs are Patched

The Hacker NewsMay 26, 09:08 UTC · May 26, 2022Vulnerability CVE-2022-1802 CVE-2022-1529

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June 2026 Patch Tuesday forecast: Where are the CVEs?

Help Net SecurityJun 10, 11:00 UTC · Jun 10, 2026Vulnerability CVE-2026-45659 CVE-2026-41091 CVE-2026-45498+1 CVEs1

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Update Chrome Now: Google Releases Patch for Actively Exploited Zero

The Hacker NewsOct 10, 05:14 UTC · Oct 10, 2023Vulnerability in the wildCVE-2023-5217 CVE-2023-2033 CVE-2023-2136+4 CVEs1

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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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Firefox Quantum: Security and privacy improvements

Help Net SecurityMay 28, 10:05 UTC · May 28, 2020Vulnerability

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Firefox Patches 2 Zero-Days Exploited at Pwn2Own Berlin with $100K in Rewards

The Hacker NewsMay 19, 14:34 UTC · May 19, 2025Vulnerability CVE-2025-4918 CVE-2025-4919

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September 2021 Patch Tuesday forecast: It's new operating system season

Help Net SecurityNov 14, 08:00 UTC · Nov 14, 2023Vulnerability in the wildCVE-2021-404441

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Microsoft Releases High Priority Fixes in August Patch Tuesday

Infosecurity MagazineAug 11, 10:40 UTC · Aug 11, 2021Vulnerability in the wildCVE-2021-34481 CVE-2021-3693 CVE-2021-34527+3 CVEs

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December 2021 Patch Tuesday forecast: How do you stack up?

Help Net SecurityDec 10, 00:00 UTC · Dec 10, 2021Vulnerability in the wild

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February 2024 Patch Tuesday forecast: Zero days are back and a new server too

Help Net SecurityMar 8, 05:15 UTC · Mar 8, 2024Vulnerability in the wildCVE-2024-23222 CVE-2024-0519

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Firefox will soon block canvas-based browser fingerprinting attempts

Help Net SecurityOct 30, 00:00 UTC · Oct 30, 2017Vulnerability

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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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