MFSA2026-30: Security Vulnerabilities fixed in Firefox 150
Published Apr 21, 2026
·Updated
Security Vulnerabilities fixed in Firefox 150
Affected Software
1 affected componentFixes available
Mozilla Firefox<150
150
Event History
Apr 21, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
- CVE-2026-6746
- CVE-2026-6747
- CVE-2026-6748
- CVE-2026-6749
- CVE-2026-6750
- CVE-2026-6751
- CVE-2026-6752
- CVE-2026-6753
- CVE-2026-6754
- CVE-2026-6755
- CVE-2026-6756
- CVE-2026-6757
- CVE-2026-6758
- CVE-2026-6759
- CVE-2026-6760
- CVE-2026-6761
- CVE-2026-6762
- CVE-2026-6763
- CVE-2026-6764
- CVE-2026-6765
- CVE-2026-6766
- CVE-2026-6767
- CVE-2026-6768
- CVE-2026-6769
- CVE-2026-6770
- CVE-2026-6771
- CVE-2026-6772
- CVE-2026-6773
- CVE-2026-6774
- CVE-2026-6775
- CVE-2026-6776
- CVE-2026-6777
- CVE-2026-6778
- CVE-2026-6779
- CVE-2026-6780
- CVE-2026-6781
- CVE-2026-6782
- CVE-2026-6783
- CVE-2026-7321
- CVE-2026-8091
- CVE-2026-6784
- CVE-2026-6785
- CVE-2026-6786
Frequently Asked Questions
1
What security vulnerabilities are addressed in MFSA2026-30?
MFSA2026-30 addresses multiple security vulnerabilities identified in Mozilla Firefox version 150.
2
What versions of Firefox are affected by MFSA2026-30?
MFSA2026-30 affects Mozilla Firefox versions up to 150 which are prior to the patched release.
3
How do I fix the vulnerabilities outlined in MFSA2026-30?
To fix the vulnerabilities in MFSA2026-30, update your Mozilla Firefox to the latest version.
4
What should I do if I can't update Firefox due to compatibility issues after MFSA2026-30?
If you cannot update Firefox, consider using alternative browsers or investigate if an older version can be secured manually.
5
Is there a detailed report about the vulnerabilities in MFSA2026-30?
Details about the vulnerabilities in MFSA2026-30 can be found directly in Mozilla's security advisories.