Windows apps · Application version · February 21, 2025

Firefox Developer Edition (th) 136.0

Firefox Developer Edition (th) 136.0, released February 21, 2025, fixes 14 CVEs in Firefox Developer Edition (th). None of them is reported as exploited. Patch Radar priority: Urgent. The latest Firefox Developer Edition (th) is 151.0, which also fixes every one of these CVEs.

Urgent

Superseded. The latest Firefox Developer Edition (th) is 151.0, which also fixes every CVE on this page. Install that instead.

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0054

45th percentile

Priority of the 14 CVEs

Patch now 0
                                Urgent 1
                                High 11
                                Routine 2

Applies to

Product	Version
Firefox Developer Edition (th)	136.0

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2025-1941	Lock screen setting bypass in Firefox Focus for Android	9.1	0.0037	None reported
High	CVE-2025-1931	Use-after-free in WebTransportChild	8.8	0.0054	None reported
High	CVE-2025-3030	Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9	8.8	0.0051	None reported
High	CVE-2025-1942	Disclosure of uninitialized memory when .toUpperCase() causes string to get longer	9.8	0.0048	None reported
High	CVE-2025-1934	Unexpected GC during RegExp bailout processing	8.8	0.0045	None reported
High	CVE-2025-1936	Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents	8.8	0.0045	None reported
High	CVE-2025-1943	Memory safety bugs fixed in Firefox 136 and Thunderbird 136	8.2	0.0043	None reported
High	CVE-2025-1932	Inconsistent comparator in XSLT sorting led to out-of-bounds access	8.8	0.0042	None reported
High	CVE-2025-1930	AudioIPC StreamData could trigger a use-after-free in the Browser process	8.8	0.0040	None reported
High	CVE-2025-1935	Clickjacking the registerProtocolHandler info-bar	8.8	0.0034	None reported
High	CVE-2025-1933	JIT corruption of WASM i32 return values on 64-bit CPUs	8.8	0.0032	None reported
High	CVE-2025-1940	Android Intent confirmation prompt tapjacking using Select options	7.1	0.0025	None reported
Routine	CVE-2025-1414	Memory safety bugs fixed in Firefox 135.0.1	6.5	0.0045	None reported
Routine	CVE-2025-1939	Tapjacking in Android Custom Tabs using transition animations	3.9	0.0019	None reported

Other Firefox Developer Edition (th) versions with security fixes

Firefox Developer Edition (th) 151.0
Firefox Developer Edition (th)
Firefox Developer Edition (th) 149.0
Firefox Developer Edition (th)
Firefox Developer Edition (th) 148.0
Firefox Developer Edition (th)
Firefox Developer Edition (th) 147.0
Firefox Developer Edition (th)
Firefox Developer Edition (th) 146.0
Firefox Developer Edition (th)
Firefox Developer Edition (th) 145.0
Firefox Developer Edition (th)

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