Windows apps · Application version · November 15, 2024

Firefox Developer Edition (en-US) 133.0

Firefox Developer Edition (en-US) 133.0, released November 15, 2024, fixes 16 CVEs in Firefox Developer Edition (en-US). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Firefox Developer Edition (en-US) is 156.0, which also fixes every one of these CVEs.

Urgent

Superseded.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

CVEs closed
16
2 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0091
60th percentile

Priority of the 16 CVEs

Patch now 0 Urgent 2 High 10 Routine 4

Applies to

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2024-11704 Mozilla Firefox ESR and 8 others: Double Free9.8 0.0091 None reported
Urgent CVE-2024-11693 Mozilla Firefox ESR and 8 others: The executable file warning was not presented when downloading .library-ms files.9.8 0.0083 None reported
High CVE-2024-11697 Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection')8.8 0.0081 None reported
High CVE-2024-11699 Mozilla Firefox ESR and 8 others: Improper Control of Generation of Code ('Code Injection')8.8 0.0072 None reported
High CVE-2024-11705 Mozilla Firefox ESR and 8 others: NULL Pointer Dereference9.1 0.0066 None reported
High CVE-2024-11702 Mozilla Firefox ESR and 8 others: Inappropriate Encoding for Output Context7.5 0.0053 None reported
High CVE-2024-11694 Mozilla Firefox ESR and 8 others: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')8.8 0.0052 None reported
High CVE-2024-11700 Mozilla Firefox ESR and 8 others: Improper Restriction of Rendered UI Layers or Frames8.1 0.0051 None reported
High CVE-2024-11692 Mozilla Firefox ESR and 8 others: Authentication Bypass by Spoofing8.8 0.0049 None reported
High CVE-2024-11695 Mozilla Firefox ESR and 8 others: Improper Restriction of Rendered UI Layers or Frames8.8 0.0046 None reported
High CVE-2024-11696 Mozilla Firefox ESR and 8 others: Improper Verification of Cryptographic Signature8.8 0.0036 None reported
High CVE-2025-0243 Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.67.5 0.0025 None reported
Routine CVE-2024-11706 Mozilla Firefox ESR and 8 others: NULL Pointer Dereference6.5 0.0050 None reported
Routine CVE-2024-11701 Mozilla Firefox ESR and 8 others: Authentication Bypass by Spoofing4.3 0.0042 None reported
Routine CVE-2024-11708 Mozilla Firefox ESR and 8 others: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')6.5 0.0035 None reported
Routine CVE-2024-11703 Mozilla Firefox ESR and 5 others: Insufficiently Protected Credentials5.7 0.0022 None reported
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