Windows apps · Application version · May 14, 2024

Firefox Developer Edition (en-US) 127.0

Firefox Developer Edition (en-US) 127.0, released May 14, 2024, fixes 15 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: High. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every one of these CVEs.

High

Superseded. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every CVE on this page. Install that instead.

CVEs closed
15
None rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0107
65th percentile

Priority of the 15 CVEs

Patch now 0 Urgent 0 High 7 Routine 8

Applies to

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2024-5688 Mozilla Firefox ESR and 6 others: Use After Free8.1 0.0107 None reported
High CVE-2024-5696 Mozilla Firefox ESR and 6 others: Out-of-bounds Write8.6 0.0081 None reported
High CVE-2024-5699 Mozilla Firefox ESR and 4 others: Improper Handling of Case Sensitivity9.8 0.0077 None reported
High CVE-2024-5695 Mozilla Firefox ESR and 4 others: Out-of-bounds Write9.8 0.0058 None reported
High CVE-2024-5701 Mozilla Firefox ESR and 4 others: Out-of-bounds Write9.8 0.0058 None reported
High CVE-2024-5694 Mozilla Firefox ESR and 4 others: Use After Free7.5 0.0047 None reported
High CVE-2024-5700 Mozilla Firefox ESR and 6 others: Access of Memory Location Before Start of Buffer7.5 0.0044 None reported
Routine CVE-2024-5690 Mozilla Firefox ESR and 6 others: Observable Discrepancy6.1 0.0074 None reported
Routine CVE-2024-5691 Mozilla Firefox ESR and 6 others: Protection Mechanism Failure6.1 0.0065 None reported
Routine CVE-2024-5692 Mozilla Firefox ESR and 6 others: On Windows 10, when using the 'Save As' functionality, an attacker could have tricked the browser into…6.5 0.0062 None reported
Routine CVE-2024-5693 Mozilla Firefox ESR and 6 others: Inclusion of Functionality from Untrusted Control Sphere6.1 0.0058 None reported
Routine CVE-2024-5687 Mozilla Firefox ESR and 4 others: Improper Access Control5.3 0.0041 None reported
Routine CVE-2024-5689 Mozilla Firefox ESR and 4 others: In addition to detecting when a user was taking a screenshot (XXX), a website was able to overlay the…4.3 0.0040 None reported
Routine CVE-2024-5697 Mozilla Firefox ESR and 4 others: Observable Discrepancy4.3 0.0040 None reported
Routine CVE-2024-5698 Mozilla Firefox ESR and 4 others: User Interface (UI) Misrepresentation of Critical Information6.1 0.0038 None reported
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