← All reports

Firefox has multiple security vulnerabilities in its DOM and Networking components that were fixed in Firefox 150 and various ESR versions.

CybersecurityTechnologyConflictApr 21, 2026score 0.176 posts · 0 replies across 1 instances
This thread reports multiple vulnerabilities in Firefox, including spoofing, privilege escalation, mitigation bypass, and use-after-free issues, all of which were fixed in Firefox 150 and various ESR versions. These vulnerabilities highlight ongoing security challenges in the browser's components, emphasizing the need for regular updates and security patches.

Claims

Firefox has multiple security vulnerabilities in its DOM and Networking components that were fixed in Firefox 150 and various ESR versions.
Parent: Software SecurityEntity: FirefoxSub-entity: DOM and Networking ComponentsImpact: negativeDate: Apr 21, 2026Target: Firefox's security updates and vulnerability management

Source posts

@[email protected]
🚨 EUVD-2026-24096 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Mitigation bypass in the DOM: postMessage component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24096 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24097 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24097 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24099 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24099 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24101 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24101 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24102 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Privilege escalation in the Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24102 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24103 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24103 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24091 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24091 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24093 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24093 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24094 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Incorrect boundary conditions in the WebRTC component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24094 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24117 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24117 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24118 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Other issue in the Networking: DNS component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24118 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24120 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24120 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24121 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24121 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24122 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Denial-of-service in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24122 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability
@[email protected]
🚨 EUVD-2026-24105 📊 Score: n/a 📦 Product: Firefox 🏢 Vendor: Mozilla 📅 Updated: 2026-04-21 📝 Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150 and Firefox ESR 140.10. 🔗 https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24105 #cybersecurity #infosec #euvd #cve #vulnerability
0 boosts · 0 favs · 0 replies · Apr 21, 2026
#cybersecurity#infosec#euvd#cve#vulnerability