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CVE-2026-124902: Mozilla Firefox: Same-origin policy bypass due to race condition in the Audio/Video component

🗓️ 10 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Same-origin policy bypass in Mozilla Firefox Audio/Video component due to race condition.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-124902
10 Nov 202614:08
–circl
cve
CVE
CVE-2026-124902
10 Nov 202613:28
–cve
cvelist
Cvelist
CVE-2026-124902 Same-origin policy bypass due to race condition in the Audio/Video component
10 Nov 202613:28
–cvelist
euvd
EUVD
EUVD-2026-121090
10 Nov 202613:28
–euvd
mozilla
Mozilla
Security Vulnerabilities fixed in Firefox ESR 115.45 — Mozilla
10 Nov 202600:00
–mozilla
nvd
NVD
CVE-2026-124902
10 Nov 202614:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-124902
10 Nov 202614:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-141667
10 Nov 202600:00
–ptsecurity

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10 Nov 2026 00:00Current
6Medium risk
Vulners AI Score6
4