Vendor

Mozilla

In 39 briefs, most recently 5 November 2026. RSS for this tag

Learn more: Vulnerabilities (NVD) ↗

Known exploited (CISA KEV)

13 Mozilla vulnerabilities are on CISA's list of vulnerabilities exploited in the wild, 1 of them used in ransomware campaigns. Most recent:

Coverage in DanSec Daily

  1. Zyxel GS1900 zero-day hit nearly 1,000 switches, OpenSSH 'sshole' flaw on musl systems, and Chainalysis confirms all users' tokens exposed.
  2. Sony's So-net breach exposing 2.58M customers, GMO Onamae ransomware breach, and Oracle PeopleSoft zero-day exploited by ShinyHunters.
  3. Ivanti Connect Secure zero-days chained for root RCE, Microsoft's 1,400-flaw Patch Tuesday with an exploited Windows Shell bug, and a Meta GitHub breach.
  4. The ASOS breach, Google domain hijacking via .gh/.sl/.as registries, FortiBleed attacks on Fortinet FortiGate, and Atlassian CVE-2026-21589 exploitation.
  5. Bitget's $387.5M breach via a zero-day, actively exploited Citrix NetScaler flaws, and Star Blizzard phishing campaigns hitting over 100 organizations.
  6. Flock camera footage dumped by hackers, a WordPress plugin backdoored on about 1,500 sites, and a WSO2 JWT bypass under active exploitation.
  7. Aesto Health breach exposes 9.5M patients; SonicWall SMA 1000 zero-days exploited; Sality botnet dismantled by DOJ and partners.
  8. ClarityCheck leaks 9M face images, Operation CameraSwarm hijacks 14,000 Dahua cameras, and GitLab flaw CVE-2026-19478 is exploited.
  9. Sakura Internet and CareCloud breaches, Dahua camera compromises, and the Cl0p PTC Windchill extortion campaign, plus actively exploited Windows IKE and GitLab …
  10. Microsoft August Patch Tuesday zero-days, Cisco ASA/FTD exploitation, Mozilla signing key exposure, and Gunra ransomware warnings.
  11. Polish CHP plant hacked via private cellular APN, LexisNexis and Valve/CEVA breaches, and actively exploited Progress Kemp LoadMaster flaw.
  12. The Minnesota water system OT attack, OpenAI's Hugging Face breach expansion, and Cisco FMC zero-day CVE-2026-20316 exploitation.
  13. Coca-Cola's Fairlife ransomware halts US dairy output; 23andMe pays $18M to 43 states; Scattered Spider pair jailed over TfL hack.
  14. Dutch and Spanish police bust major fraud rings; Firefox, Zoom, SharePoint and LegacyHive Windows zero-day flaws. Plus OkoBot and AsyncAPI npm supply chain …
  15. SonicWall SMA 1000 zero-days, Microsoft's record 622-flaw Patch Tuesday and nearly 300 fake GitHub infostealer repos.
  16. Kodak breach by ShinyHunters, iRhythm ransom theft, and three Fortinet FortiSandbox flaws actively exploited across up to 30,000 devices.
  17. GitHub breach via a compromised Nx Console extension, Microsoft's takedown of the Fox Tempest malware-signing service, and SonicWall SSL-VPN MFA bypasses in …
  18. The TeamPCP supply chain attacks on Checkmarx and Bitwarden, ShinyHunters breaches of ADT and Medtronic, and new Windows privilege escalation flaws.
  19. Malicious checkmarx/kics Docker images, a self-propagating npm worm stealing developer tokens, and Lotus Wiper attacks on Venezuela's energy sector.
  20. Covers the France Titres government data breach, the $290M Kelp DAO crypto heist tied to North Korean actors, and over 1,500 exposed Perforce P4 servers.
  21. Infinite Campus and HackerOne breaches, TeamPCP's LiteLLM PyPI supply chain attack, and malvertising abusing a Huawei driver to kill EDR.
  22. Mexican government breach claim, Notepad++ update hijacking distributing a backdoor, and a critical n8n flaw allowing host takeover.
  23. LKQ Oracle EBS breach, Cisco AsyncOS zero-day CVE-2025-20393 exploited by China-linked APT, and Kimwolf botnet hijacking 1.8M Android devices for DDoS.
  24. Salesforce OAuth data access via Gainsight, Italy's FS Italiane breach through Almaviva, and Operation WrtHug compromising 50,000+ Asus routers.
  25. Citrix Bleed 2 and Cisco ISE zero-day exploitation, the Synnovis ransomware data breach, and a 67,000-package npm spam worm.
  26. The GlobalLogic Oracle EBS data theft, the Rhadamanthys infostealer takedown, and Microsoft's November 2025 Patch Tuesday with 63 flaws including a kernel …
  27. Oracle EBS Cl0p extortion hits nearly 30 firms incl. Logitech and Washington Post; CBO confirms breach; Konni abuses Google Find Hub.
  28. Top Secret clearance database exposed, ChatGPT Atlas hidden-command flaw, and Chrome zero-day tied to Memento Labs spyware.
  29. AWS DNS outage, WSUS CVE-2025-59287 under active exploitation, and Lazarus Group fake job lures against European drone firms.
  30. Covers Asahi ransomware, Salesforce data extortion by ShinyHunters, Jaguar Land Rover repeat attacks, and CISA-flagged Meteobridge root RCE exploited in the …
  31. Ransomware disrupting European airport check-ins including Heathrow, the Stellantis Salesforce data breach, and a CVSS 10 GoAnywhere MFT flaw.
  32. Inotiv ransomware, Intel and Workhorse Software data exposures, password manager clickjacking flaws, Apple's CVE-2025-43300 zero-day, and RapperBot botnet …
  33. The Bouygues Telecom breach of 6.4 million customers, the Salesforce vishing campaign tied to ShinyHunters, and the CISA-mandated patch for Exchange …
  34. Chanel and Northwest Radiologists breaches, Akira's suspected SonicWall zero-day, and SharePoint exploits hitting 148 organisations.
  35. Qantas breach hits 6M customers, Cisco Unified CM hardcoded root SSH backdoor patched, and Gamaredon spearphishing Ukraine. Plus Scattered Spider and NimDoor.
  36. Victoria's Secret earnings delay, Coinbase data breach via bribed TaskUs staff, and Scattered Spider's attacks on UK retailers Marks & Spencer and Co-op.
  37. ConnectWise ScreenConnect breach by suspected nation-state, DragonForce ransomware via SimpleHelp RMM, and Victoria's Secret site outage.
  38. The UK Legal Aid Agency data breach, the Arla Foods cyberattack disrupting production, and the RVTools compromise delivering Bumblebee malware.
  39. Ascension healthcare breach affecting 430,000+ patients, Insight Partners breach widening, and LockBit affiliate panel leaked.