Tuesday, 22 September 2026 @ 02:02 UTC~2214,580172,138

Mozilla Firefox ESR (ia)

Mozilla·Mozilla.Firefox.ESR.ia

Get the Firefox Extended Support Release or Rapid Release browser for comprehensive data security and data protection.

winget install --id Mozilla.Firefox.ESR.ia --exact --source winget

Latest 153.3.0·September 15, 2026

Release Notes

Version 153.3.0, first offered to ESR channel users on September 15, 2026 Firefox 153 Extended Support Release (ESR) includes all of the enhancements since Firefox 140, along with many new features to make your enterprise deployments easier and even more flexible.

Fixed

  • Various security fixes.

Developer

  • Reference link to ESR 153.0 release notes.

Installer type: nullsoft

x86—3DFACBB061DE3AC04DFEC2851898E7F651C4A7B087A75FA226187925E999122D
x64—6B590C9A2EAC11874C362C9D1FEC6521FE7A1F5F7D5073D6CE9EC1A9AD60D433
arm64—4FAE35C3BE82D8F31E75C073D657DFB68EEEA4145AF7C25F75355AE6C8945C9E

Details

Homepage
https://www.mozilla.org/firefox/enterprise/
License
MPL-2.0
Publisher
Mozilla
Support
https://support.mozilla.org/
Privacy Policy
https://www.mozilla.org/privacy/firefox/
Moniker
firefox-esr

Tags

browsercross-platformfossgeckoquantumspidermonkeywebweb-browser

Older versions (47)

153.2.0
x86—8B7FC47BF2102FC61D753C0A08F9FBD8BD626DFDD1300E35EE8F33CD2EE510BF
x64—7DBB3438C598D612AC9F2EC71971721644B34D4B9E2369AB6C6108A7B92363A0
arm64—7F6575DC95DA6695502F53F0053930FB148155560DCE2243C5D554F2BE21B1AA
153.1.0
x86—6C7DB2B983E77F5AF49EA490976AEEEAE090405170F2BD82073A053230EF1BC9
x64—8A1238DA62EB3E9CEFBFEDE9D53FC063A8BC43031686151083B15E9044073C7D
arm64—6C348904B6535B0D235965F2DEF672361B58BFD982C19A2198C527C2C3B34517
153.0.0
x86—1BDEC9DF645C71617BFE52084791397AF7BFB139D04EC888DEB0EC503B575172
x64—6F44B02DE94CE6ECBBD5B83F50EA68BB71E15C65281158C7B2B315F9113015CA
arm64—96F6A2104340040ADB0B7BAE50903BAB63E72FE242642A3A931E116C84AB0674
140.14.0
x86—E2C96C7331461748C174312584D0BAF236900A5087108803528982AC4FCDE5CE
x64—BC6C6CB2C0A9103679CFB9CC1AA5DD5A4509EB6BA694E654FD4D30EEA90F023A
arm64—BCE25493A9E090D7C5FF4B947C69384CC3EFF49712655526F40881806630C406
140.13.0
x86—BC283A9ED6AAA95EF819E79A0F36660989FC12F5394120D1A1E56E56C0FDB6CD
x64—97B521CDC431B2F2557620788CD8341077E940751EB096E3FD7EE03E66707699
arm64—879C761EAF084D84F385324266E5FFEDBC4CFFE4C38C90847464745283A52CAB
140.12.0
x86—5FCF0A43C8EF9218E4364D710C2CE850B2AA3B53B1F66FE26999D0205BE7BECE
x64—6DBC4EB765D625DC0BB48FC219E3500A14EF0B3259784383EA59E88EAD1904A0
arm64—F8B3974A5C90DFA443CCE0D8C943D51B7FBF6C68AAD6BF8165F8729431824F68
140.11.0
x86—3F4B6EA225F338C04D45F344D3960BCBE0B0CD1AD88D8555D0425CD339D524D6
x64—877EEA5BE1DD2FAA647250BF1D3A34AAB7863FDC4D7732DE1A851271D8EAC8EA
arm64—51A8986C2D371DF9661B2669A0C8A40954BC5A52D9005B9162F18FE6BD2F3790
140.10.2
x86—70E5EB433E300CDE31ACED6B0C24BB79A7F6C42D2842972D02A9BF9E42699F49
x64—0929B0AEB2A2C3BCAE18C0DC197FB204090092FEF32328BC272D2BA40244C295
arm64—F00B603A1C1EF8B9E883452D0F231548F411486A13DA196C4F85EC5191A9133A
140.10.1
x86—212CEC83E670C44D615FCAB9AC5A5B668846739B5CFC68B909DA1A1B33B5BAEC
x64—8ADD63FCAFF4CE8C8596F498F84062E72B4840DCE56E506E49DA91669D7C1E74
arm64—479289A47CB44DC9747AE8A5DE56627751104A40E2ACB973F618F2C35C7F6D49
140.10.0
x86—4A8859AED70ECA92DB66D5A21707D34D46CB3D887999E2237411E9C795A6639A
x64—0C135873B5333F72215A453593384575DC81AD35D682112E0CD93F392277C1AA
arm64—5532D7BCFFE878C191B1289425457CC386464693EEBD11FFED638EAFCA9A6463
140.9.1
x86—8611C6886E0B5DCAE4EA69CF5E72673DE1791751827C227E2C03FB2BF48016FD
x64—B627E3D2F0A19B50E1D87D0374CD8E8686690F9762F852B35FBA54476A65B03A
arm64—0EC691206040640BB05EB6CA7E6FB7779C735F9F6030BCB71503577273007EB6
140.9.0
x86—D87DDFD782CABF0DF2D2371FA89B1A0F8DDF550F64BE70EB1976930FB86DE00E
x64—D1921D9AFB0507D1D0D080429286B693DA730037248296DE90F60A3BC9DE3C23
arm64—D2E8D8083F46EB2C496F23071DD73CB3965254668F7647122CC4D2D9A9A59C38
140.8.0
x86—6C33DDC6404B9D0BBFA1EA0F402DDEA3C6CEE49F59BF7D27F7352F87974DB69A
x64—FC96B9624EB31142D121A4C2BF34A30B05BD9D464DC413E51CB254BBFDBEEE20
arm64—A8E3BCD6107DA43E159160682976E395A8FA6AD5067415D3753A0E2575571121
140.7.1
x86—4CAB30CD8B86343AEF27674176456C30C30E0CB5043B66574C9034DD1CFFB60A
x64—DC17483265C57417E6860CCBC6DD70463179916DFAD760DC641056437EDA4DCE
arm64—8B569D697ECF61404716D1E7521D1CC63B5BB045266C8466C918BD5587DD9106
140.7.0
x86—10D8BE808F7D5E6213D60F4DD8FE25F778FBB6665189320A8841ED97778DA0EC
x64—6F8C3F7CF889CA347B96360655DDCAB3B6D3ECA1CFF95999BFCA561C8821627E
arm64—CC21FEA966879BD2B8C622D76546B6EF974199E8FC9A7A266AEF3EBAC064B4DB
140.6.0
x86—775DD40CF1E0087C162324823486F2DC43C16D1DF0BCB87DC2FF6F3CB14AD379
x64—C99BF28B278D7BE330A9F0CBBFB265CC70E0C153BDEBAA0749208D377B60D752
arm64—C1ABEF36E9944D0FA50D89521EA56ECB54B786C6B46832860AB641AFD10C809C
140.5.0
x86—BC96D1BF8C0F435952EE3011C9C7CBE2A53D88957DA41AEF9745EFA7BC87317B
x64—57D12C7F3CA4B7B3C7F59C8F2B0FDAC37E5FED720873D3C9EFF04AB2FD2EDF18
arm64—B867EC88F2F70F5CF0F257AD474381D7350B57FBECCD094F435F3B161B7F3CB2
140.4.0
x86—662578FEEB757D254DC5B9515BB846229FD38D2A246E660474A4022F1D3B5DC2
x64—42889577572C9FEB6A604E3A456A5C84F09579854992C83185F91D3CE02C26F7
arm64—34D0331B05A0270D9132E96174817A579185A014A9E2F6A56FB22F7D65EFD7C4
140.3.1
x86—B6C95C6860539D94ED36DDCA9BBDDC72A9C68BFE536B659D2C2C09FDBB6A479F
x64—A2876BB55403BFA0B404423F59056FC0AB1FAEF0383D125C30539840A82F9181
arm64—9C37CD20EBB6E288014014ED1AA5320CCC29BFA9E1598AC9ACD018C0F28CA1FE
140.3.0
x86—5D1DCA320D49765E5F80132A519EBF01F74149E61E0670A1BE250E01E6E98E80
x64—798DD62C2E4A91D285F71BD77E85D78B04CF60692528F2E5A3CF2E9417B91FFC
arm64—CD9901061775C9475A22151F7A1BCAD12CDEF1ADE2153AFFBA0BD643F6F9B21F
128.14.0
x86—FEED83A4D6655B94C87A9E18EA88715792224594CC6C046E2DE2AC5F7AA74A70
x64—4361254EF683413E1E623CE7CCD84B8C7F5C168300439E1640490875AB06B9D8
arm64—0E5E15B4F325962C0A38FB8F8ACDEB2FC7DC3AFA8842842CCD983F82CB866AC3
128.13.0
x86—824B23DE9A2F21D1103832607F1139718C3DBE6ADB782B029C47122D554BF5A6
x64—AD6999E8C681EC191220BF2531018ADC312858C2CDA484CABED7859F824F709B
arm64—8164D50868754F73C57EB8702EC82C44EF7B6D2E0E6BE4E0D1A3AE4B457C0A50
128.12.0
x86—1F47960F67C2BA9C5D3F69E9E3F33D60ECA59353D27C22B45CBB64F137BAC99D
x64—3FF112C4E655C4B684BF2191B1039409423ABCC57D0F7B2B820E9D684840F512
arm64—3B4FC04CC4E9A3DB6C9106A73B280D7D73EC42EDDEB3A99AA247F18A52107465
128.11.0
x86—15C0F04E211EB9930FC189E41E504BC7873C9E0BCDBD0968F0C4B944434C9E39
x64—87A162BD4771DEC63C8B896C0C7ED2EB3F227C0F2019373AA5095D1F38355E66
arm64—530339DF58D91AB172BEA4070A32B374D49C24BCF7E9F3F95490750B9A3D9801
128.10.1
x86—DF728E174326691BA4093ECF3C009E92B4CE8A3D6956EA699A47AF57B80FFD1E
x64—D686B98D6D1D26447F4983767E996E71E58B6E25C842C287D654F481E66A9E7A
arm64—CFD837DACF671D6EDC73140D82A12BE36AB9B2A96EC8396709DF920CF285C6AC
128.10.0
x86—94502D8BC232E6670A60C80DB57DC95C502D247E910A24008F3A3565B78024B9
x64—8BD2D7B5273791EFF590B9EFB6E3B5DF2700BF5B79C54E0621EDB102A4EB9D4F
arm64—BD541DE67183BEDA22DF0975FBFF29154E59229EA9865D0D404EDAA28532883A
128.9.0
x86—FC072B465863D6B4AB112553D4F8AEC9F9CCAA88834933562FB1FFE0972B391A
x64—BEC58C9B94DCAB448714C88EA5559B65E1258507E66E75E57BA63BB8063E5F32
arm64—1E97E13F488EDD8557999C858B41687AF472EA55ED285789E6D9A442B8716C5C
128.8.1
x86—15478802E5CC1E2AA77D26C10E389EA34CC61238E2E8C9D90ADC54E0A81D3B4D
x64—2480DD9EE5BAF26D7CB08B70AB6E4AB814FCE57E1D0492DA40E2F8825ABC322C
arm64—DD5A289D85CAD4519D3D4B293CA4E6A21BF19FFCD9FEA8733202CEA18B95CC5A
128.8.0
x86—7044E67F8606ECC59464E34166A9068AF3F93A2D521F3EADC8538E40137FABC3
x64—489D182A904A85BF5D43D32827574FD825454672F20A8741ABE33109E36A38F2
arm64—18074C6A1B42D34732C4DA89A556F22E9A47D56609E16EC103D6F40CA35C5728
128.7.0
x86—6CBFACC9DCC512EF3A2773A7A881A1F3CC3F5906BAC35C3ADB631BA08EF2A9AF
x64—CB5F35E8376698A751082066A825D321D4D9FC261D5C1C6529DB974945C6C96E
arm64—439C5F46448DAA4F3C11300A4F7456F7DB57821FEB1A57ED9C3CA9069BB9179D
128.6.0
x86—2577266B49001C59D228FF4C893B3ECF408E4A633CFFA88181879A05B87B8C12
x64—5366759220CD28703DD5CE7754BB084FE25A2247AEE5AC6D36B53B2EFF483BC8
arm64—5C1EED55EBB6AEEDA0129657133CB913C1149B3260E2F7EB8E59840C7B590444
128.5.2
x86—C80722A0445DC3BC2106FBA9EC61D29D9C8BEA1D02AE274E187AC2885B3F781C
x64—B7F98E9AE8A7CDA76C5705B58CB2360AEC84317B177A1B5CC5C46D21C0EE188F
arm64—69F5BDEFA2C93071A534C296A63980FF57C2FF7AB7772F8510D9739A7BBFA7E0
128.5.1
x86—5D8B969895D90AE3C9DE27F65762A49AD6A1A6D1B5DEF8B531A1B57D55B7BD74
x64—61A344C0FC63BFC9F605C23C4C7B2F5DDCAA26F98D2E0844BACC49B68F27C878
arm64—D27F051B0CAC6E5D76D7B325BBB55FBD906366E471F7BB1A1471B7984F7FC07B
128.5.0
x86—28ACBE993EAA5980961665DC38AE72276EA44195FAE5745248497DF9EB8651DA
x64—B52B38D14C3943E187A743D289D39619DAD7AC71A22C15B6B7B0A0A08B4AB3C0
arm64—94A8F0B3B851B7FFDF34972CCD80F5BFEDA283A8E3A64B7A6EEC1144769232EE
128.4.0
x86—6D9984437B65A9FCA3BC41C8BBE41E9F5D49AB8A64780CA7AAD97F62FAE413CF
x64—EDA22CA8ADE25294583ECF9642096513C7A23B825211BAA8A5811E9740065D5A
arm64—25DECD8BE6A405F3728F4F66003EA382B82063BAE47FD3977C828DAF7A2C4955
128.3.1
x86—3C144807DA177447A94341DE5D2CF942EAFA793CFB265B7B0AD7BF2F5317D21F
x64—CEF7A89F600872B3A9B0268D57CF2212E500294643C8AB2142604850DE4678B4
arm64—18F84BB30C3C7ECCF4D553D065666A183F02260EB3B086891BC120460B1AF895
128.3.0
x86—D6F079F3F8B0CDBB867EAB3D6287AA7FCB912BC37CDB2E32FCD6A014158B491B
x64—7AEFB72F7AA98E9690B4B82A4A1E30427E69EF4C49334B31A841E8CDFE6C8A73
arm64—1149A003501EDE003EC83075E9A17E1A2F2C23EC304307C091D3ACA31C87F581
115.15.0
x86—7088A69EC5467D74E16C89952491318D63DC9DED042CC5C1606B735F69AC7A9B
x64—35423B9A2F4AB402C1CF0AF23980DD13CF53F3DB3211DA19C9CA807271506909
arm64—923FE75EF4B30F820BB62FCE6D837912E7E7861AAAF978BA7DE518F52861FAF9
115.14.0
x86—B98A6E8621E9D79B0A7B82B3D8095ADA70118009CBA9C97A17E0348BFE6086A3
x64—8A59F519FB5C6F662B7E1B762E648FE0AF45E07410F444B6BDDD326B7A4F8811
arm64—82CF425822CD4BE8B42B01936C11C4202271D8A2B42221A2B41B28C10D738A25
115.13.0
x86—E18E3C17F3EB1731FD3E39C13F883B4D5E6CA10E8EA309F3350F985A7217DC21
x64—6650D71FC2FA12F8BE72E9E20AEE40C454629163389775400A68EE9110036BEF
arm64—BC2A32BEBEDFA9381918006AA6845BE2F4F75E985C6DAAE1B19419018A6C026A
115.12.0
x86—9C4CC74A5D7DAE78B69653D23221B5EA82A20F07982DB60D3908B881D48D53C2
x64—46589C2BADB9676663A899C974B77745C447E029AFCE36259FA52FE12D5687E7
arm64—DC3BC0E6FC2A1D206A6DBC62DA3A9A37FF14AEBDC63D7CA51B4C8A29BEB7583F
115.11.0
x86—C804377E90D28CFF95D6707F79C87331DEF07D2F7472C9E2FEC43B432ACFFFFA
x64—F14F75B42787324F8AE78949BFB4B92A75A9E3EF01A5C30614F86CB9955A28DE
arm64—939DFDC7A237890A2E6586EC08DAECE3DC9DCF91B04AD3D957D7F3E301E7F7FD
115.10.0
x86—6EA444166069E59BC47B7D293154035CAB1A2E28AFD546B1DB6E92EA6E52B66D
x64—3D8D131F9BB51AB7EB8EA66A055A1E404CC881D3674B2D85FC56A0EF5D8DD78F
arm64—5E48B917AF35DF186C927677C042F260E5AD9E62E8E6F21F4693264BFDA26876
115.9.1
x86—2BCD640FFE59497DB8D9D75BB8FED0511C324FB09E7412C6988A5FAA06FA8818
x64—42B88F8DDEBA8F2404158A2E45D65A7D43B2007E7FC7E569D5CD7A1A3D96E650
arm64—1DC912D2A79CA02BF7472B22DC748E175B4625DE62DF8729297EF5B73CFF03AC
115.9.0
x86—F5EDC56503946DD4551BEE3C34032477C34E7436F21A8CD0A8A5337B34C03F02
x64—75C89CE393BF5E0109B1C0B40AFC23F435E0F4F422AF6C5681086A11D654D057
arm64—C87A5F89CE8B8C8171A6D9F18B2FB5C148F0F5807E859012BDC9661F4DCC9E34
115.8.0
x86—4104A4DF933ABC9EDAC50FEA0F85EBF83ED1F70CF816E5112645A194B46CE9C1
x64—26A3670281C5EDDF9EFAE166E16AEB61B7C795224A3B4CC122B446CA53F11DE0
arm64—2BE2AD331B1AD77C9CB85C568F5BEBFC709117B84F455D49CF0E09A0D8623EF6
115.7.0
x86—33288983AB040CF6B1285F0482FF85D4FE62F55BA45F289158FE0EBF46F38344
x64—43D843AB0C3CCDDA163CDD45810F810B74EE0D94F9C1F3CA8F357E3A26F8426F
arm64—742050B4E9FC7CCC3FFFC22D7328C6D4A1510931F33FC6E8B4955D5F9F823B1F