MFSA2026-13: Security Vulnerabilities fixed in Firefox 148
Security Vulnerabilities fixed in Firefox 148
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 148 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 148
Event History
Child vulnerabilities
Contains the following vulnerabilities.
- CVE-2026-2757
- CVE-2026-2794
- CVE-2026-2758
- CVE-2026-2759
- CVE-2026-2795
- CVE-2026-2760
- CVE-2026-2761
- CVE-2026-2762
- CVE-2026-2763
- CVE-2026-2764
- CVE-2026-2796
- CVE-2026-2797
- CVE-2026-2765
- CVE-2026-2766
- CVE-2026-2767
- CVE-2026-2768
- CVE-2026-2798
- CVE-2026-2769
- CVE-2026-2799
- CVE-2026-2770
- CVE-2026-2771
- CVE-2026-2772
- CVE-2026-2773
- CVE-2026-2774
- CVE-2026-2775
- CVE-2026-2776
- CVE-2026-2777
- CVE-2026-2778
- CVE-2026-2779
- CVE-2026-2800
- CVE-2026-2780
- CVE-2026-2781
- CVE-2026-2801
- CVE-2026-2782
- CVE-2026-2783
- CVE-2026-2802
- CVE-2026-2803
- CVE-2026-2784
- CVE-2026-2785
- CVE-2026-2804
- CVE-2026-2786
- CVE-2026-2805
- CVE-2026-2787
- CVE-2026-2788
- CVE-2026-2789
- CVE-2026-2806
- CVE-2026-2790
- CVE-2026-2791
- CVE-2026-2807
- CVE-2026-2792
- CVE-2026-2793
Frequently Asked Questions
What is the severity of MFSA2026-13?
The severity of MFSA2026-13 is classified as high due to the potential for exploitation.
How do I fix MFSA2026-13?
To fix MFSA2026-13, you need to update to Mozilla Firefox version 149 or later.
Which versions of Mozilla Firefox are affected by MFSA2026-13?
MFSA2026-13 affects all versions of Mozilla Firefox up to and including version 148.
What types of vulnerabilities are addressed in MFSA2026-13?
MFSA2026-13 addresses multiple security vulnerabilities that could lead to arbitrary code execution or information disclosure.
Is it safe to use Mozilla Firefox version 148 after MFSA2026-13?
No, it is not safe to use Mozilla Firefox version 148 after the vulnerabilities identified in MFSA2026-13 have been reported.