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

Mozilla Firefox ESR (si)

Mozilla·Mozilla.Firefox.ESR.si

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

winget install --id Mozilla.Firefox.ESR.si --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—7F399BF8037FF7012E068DC380ADAAF04B2B80D9EE152DC6053190863D284E17
x64—13F92923FA0C0AEAE54512AB6217F684B3E6EEC07E00D018EE54777A9928C028
arm64—DBD6E888358F1DFFC09EFF9588DE15122BED7A49AA2454BE8876F7DA384B872E

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 (46)

153.2.0
x86—9F9AC19B8C3FA42D0610118FAD3708338AE70907A71E333DFDB6FA56CAFEF202
x64—C089BA99AE0873318FBA38BC487929F56C02122DC89C1A1312155C90A9647F7E
arm64—19AD707265FBFF0A99EED55905153A3656AC7651545E1D751905F17E85963D46
153.1.0
x86—DB541D6BD52C8E8F98608BDD122030C1A84338E50119A0674B35372474F8BB20
x64—89A3DA90C499BADFA68A0948F64A8C61A6A2EEB44877D8B3D25F982024C99B67
arm64—C807583A7704A6419840DD038B14421BDC60F30999F1D1D44DB2B6ABC8D4D91F
153.0.0
x86—71D5B08CFDD8C2E6066D54EF0C7CCEF8886A2BCF11491507E0BE994F0355662B
x64—C3FD187238A48A7FF5CFAB4D017492CF08C37F7993DB6764F6EB426818DA7242
arm64—392BE893CA297786744C5E7E52822A6AE093975D90F4E2222E4B7506E0C0EF67
140.14.0
x86—2987006DACA5621BE8285E54C5ADB98A70DBA27FF079A1EFC204253FBFD6BE45
x64—8EFB23702C10B3EDF472C377789B6DA45D7A9302A1387998566546772B42C366
arm64—9912BB14DE16890DC05AA0D220C1FE95EB4574BAE845C6FBDBFD6378E6A90C0C
140.13.0
x86—C37392AC84B2972394164BF0948C194FED8B1F2BCF538C8FC577176753A19356
x64—EB346C39B045271E82B4CD26A56BCAEEAC305DD04A4ABCA34324970DA55205A0
arm64—58242006A8B59BEBABC8071E629FD632E5C0222F608FCF7CEA7ADC38A96E412E
140.12.0
x86—540D425DFA16E7266484B6BF0DAA9883E049C2C5449B13233D2A2AF42964175C
x64—249DA1FA887973A4051EFBBB4A3D7964C6DE2312736A89C6FB35C96AD7BA45FD
arm64—722CDC28BE17341D251B2D260AD03BD1D527B8C9C5D164C26378319DDA5A1E78
140.11.0
x86—E47BE62691CBE440A30DB9432619E7000C8F42C51FF1B72CC7405B6EDA435BFA
x64—DB21B6318ABF8E07D8DA001F59ABBAF90E89CA7DC5E0CC11ACD3FD0E94B9FA13
arm64—7DD5F4F34B1DE5ED454FFC063457AD2A8939EF40C8503881FC11F3A853D43077
140.10.2
x86—6B76088529248D58C8680CC7CE3621C876DFB55F3B947B76E52A493F662DB6DC
x64—6B17B16638AB012C5871D13BA907BF85F1B27366CF8E5F10B92AEE8F094038A6
arm64—2E7AFCCA72789DAE807089F5943B7D8898C39233F61EDF548048446B9F68CCE6
140.10.1
x86—6374156410E55BEC175C7DC1C8A8E10C7A46C4B6A2076DF3691E848825588149
x64—C4C23AA4576140932552C0B710AD1A3CBED845F516F3FED00B1CB084253F8691
arm64—B0B72E4E7C20F1787C15015C99C99705469EFA9E93D809FBB95C83351D25B0FC
140.10.0
x86—097074CDC6F6847A791246C9B717ED079D7D1A03EE723D54AC2FF66931D1C2AB
x64—3C80D06B30133CC9A112E16E6B79BEC3AA090567C9EAD477A3B72A32157C84B3
arm64—C4FDBD5D50D777AF816C94D29A839DEFCEDC4F57FB3D12F305622BF55B1D28F2
140.9.0
x86—52CBADC8011D51EFA3287FB7D88E2B728DB2595A518940FBAEAA6AC46545A06F
x64—34FAA77541B6BCA697E9B45E424E1BDF249BB59359B30A8FF609E316CFC25728
arm64—9F5A1730ADEC9AA4B0B09CBFA34A120B4413CA4ACB634C5E8B84E609666E1647
140.8.0
x86—B367C8C7EFD2C6E305B3421DB15954DD30217FC4E7E59C881AF0338CE49DF321
x64—966D8B3130FBB144821B0BD0A175ED9937C7B6A893A3F1541536BED8AA8DDE8F
arm64—C12BB994BEE0E2A6AA3488D117F853CC3BBABFF952D42DBDA29B55CA38B8E593
140.7.1
x86—475A1A6BBF9DA800CC80964405E2888D5F3079B9F21026D0C2B9AA8E2ED9872D
x64—D0721BC62BFF3E594673055C0E7926D84AA332DD658C39793009182BDADCA21E
arm64—8E4C8F5D0CC8FC1EC319D99491B023B967A7517A50E9758AED8459E85972B7CE
140.7.0
x86—35A9FFBC7CE57E3C8D175670C97EC9FCB9D108AAC12CFEF6A73E63FDF302E89F
x64—FE3B0775BAE95165FA7C1701AF440182215018FDF61F4B1C7B08E2EBEDADE487
arm64—B2FC5931F0949F6398B2118B86BC3DAF74A04D91696F9E3689C1499B82555DF9
140.6.0
x86—C4E7E64266EE97B29BB157D96B096207EA7D0C22377CE6E3A2493B6211873200
x64—8643E7F62385651A29AAA70C1E226697C21335B70FB3D4A0021D142C0F13CE77
arm64—5329F4C9CC101315CE14172C7118AF4F7053D1E9976B7C1D9E82A91D552EE4D3
140.5.0
x86—9F3827B7D4144F1E50E61981CE598837089C6E47D385AC2224317A61320A3A71
x64—66AF81BD9DA7D427059FC84AE0B47092D570835EE8B44150CE90FD3C5AD5E21A
arm64—66065F87DCA798C24ADDACD3D521A443AD6C090D24675D35BDA1841444473722
140.4.0
x86—6457B5B8ABB636EF5F457D75B9E4C11A65D11702449AB4C0AE6FC5C5735E1BF5
x64—DF136AA223212A7B38A6D7575F5B97661F97FED1704BDBF2B1211A58DBDB7FE3
arm64—E9A8D3F9150B49D5B100A52F1D654BCFE92150F77A7A39107EDAE9AC37021B1F
140.3.1
x86—55A35686B4A11347C75EC48CE045B9381062ED4F110C2DFA72EE3EC1AB884DE6
x64—833DB20C777C470E9E69A5575BC7DBDA307C24D23F4AFDBA75089CCD99C281EE
arm64—E15A45C03DC7665155FA175E8C367C88B4789EA965B54DCD1654C696F39AB31E
140.3.0
x86—BF993047AE9EB1741B7D15BB0339620970CF0E70D370C9E82D38D44213469ED1
x64—70C84C04A8FC481B035B66F9F9AE368874397DB271944351C5E3D2BD3A3773EE
arm64—23B4E88BDA66EC57694A9363E9292334C8FC2D69177BCA96773B7EA6435EB333
128.14.0
x86—25F06EFDAA84338FFF299184DED25C107C7213C28534ED660228384291C46349
x64—8D1EDDB5DB3B3DC6C54309D5ED8EF2E2AF153D1C53B9E83AA47583EBD7A8FDC3
arm64—59688CF3A34A4331EF39C4B31A6F794440A6CA291457DC591824FAE7DD70852E
128.13.0
x86—FEA82A794BC2EB3BAE544C662B332F6D02172BE1F8DCDC76050D20997E00A334
x64—6D6CED66BE9C8B109B02AB0CBB174A59AB8EC7EB246A53173D5AC8868FC60586
arm64—EAF9C91E1C0FFFC51704E13A32ADC26E0B5F538DCB9FF62A9AEFD59928DA19AC
128.12.0
x86—2E49903DB522D18C05ACD4AF7C0A9D583A41F4768B6264A289EED632E557634F
x64—23DAF8C0255D1862AA38712B7CD16584CA73BF052421DDA6641E76B11D692484
arm64—C2C4FF4F4BDBECD68F09BDA088B8C603E481FA8A80707998EE9239BC45292E67
128.11.0
x86—39FB37934E0FBB8A32CCD15AFDB8D7F047328C14BB4B1CD8A8C9FE3117BF93AA
x64—4A9607730E5B3A60E909F71A60BAD3F2E949577B39ECE47D3DD778040A8653E2
arm64—B1735C52C80F2EF7A7F227198286B91DC92432DBA28D940BB1901433A2686FDE
128.10.1
x86—36EB03D0375E29AC08A4368ABB6AE2EAF8AAE13A0F31F6E29BA140F10EC2F469
x64—D7DB9E449ECFBD2F22818197E6063F91EF28432A8485D515A9AD0C735BFE1CCF
arm64—8AE45215974797DABBB26394452F3BC9E5DA9ABBBF808BE5C414D843BF291E15
128.10.0
x86—4BEB72D4CD5A903562EA716581FBF8BF1A6BB2EB5EBF2664F40D94A1CB67F0D6
x64—F922417D1B9520FC9D78ADD300F9D8D4BBCA280D54C5EEBAE2CE1A5FE96E7605
arm64—A0E0DF1CC025CA1C908347F6E771A75915D071729F42CE3A8909375A0B712005
128.9.0
x86—FDD2B0EE648A20E1029CD6FE0FB63C7EFA6D5BDD5372FF5F3AD005B4982B788B
x64—C9619ADE118FFCC0DFEA491A621FFBA3F3081CD2B8D375D23A439F6B19026264
arm64—83EE2C2A8AE60410C04C474F7CFA1C7960CF28E371F7F11422514F45FA3045A3
128.8.1
x86—DFC1FFC280E9BC5294AC8BBFD125F449629ED077888AFBC6ABD2E9CB806C6291
x64—ABC938B1E470DD2EDB859EB5953956ECF67AEEC578A1F876228312A004E0C589
arm64—6DACE99713896DCAA1780E8A03E43373F9D9C01CA27C417B8B7CC5097860F715
128.8.0
x86—5B0FF176F054CC68CBE43E857DF21864D5048EC70E30F3EFBE16BC11E8357411
x64—876490D4F6EA25E5715954CF8FADB3510C05BCAB2D1D69587C1574FA71C87A94
arm64—183A8BB56B2AA3541C4D3F40BD02D6FEF10700E489E36D8C06F88BB6F3E6E2AB
128.7.0
x86—BFF962D377622E66CDA700837F85A1E4C7E03D8C2125B7FF6176F89E7AB4B929
x64—4398649173C6E8770F21A5E3CF4C1378333D4F53F3AE9C4265D4B23FCC871BA9
arm64—73B33EA112447065EBD0A8797607714B306C483D8876BB30394194AC474B8CE0
128.6.0
x86—FF6338E45715BBF77D0286C735B92C8A8B7ECA6DD27C62109EF2B5322E180B62
x64—ADF696D434154387B3B55AAA20ACBE752AB46CA869A8FA7A3DF4934A5ABB0F8B
arm64—F1F52ED7A5A9FB6061390DE4808E6D2C1327E3233EF163A0FEDA3002E2401D82
128.5.2
x86—A9E6961C114466CFEB27491A86243F303641B55AA6EEE74E014EDF3E9A55EC82
x64—10C9B41C33BF8F22039A13CC905182B0182317A12B845ACF7B31B925349AE513
arm64—1E43193AAD7629B630BB47F9D836D924F40D9CA59E0A1EF39A5C4CFAFF3A117B
128.5.1
x86—5A83814958CB2BBF03096A375652278F011051ED2FE470B44AADAA61DF767A87
x64—2B07B49AABAAD7234DB40E2E841A1046F4F201B838876DE76B750C3B9EF593D1
arm64—98061A3FED76C8897D5F8830A630EEA2362D1DDA8EE00C303D5528D6A44F6917
128.5.0
x86—DFC504F453E26EA32DD30A7087B5ABE649A16ABD32EFA01EB60FD1DE8BB8548D
x64—2AFB810707118C323D1670F4774A7B4B64CDF16117EE7634EE013336F79E3A1B
arm64—ADA54FF7E541564FB74487219FD3C21E4E93AF5E17520BD87A9D0B53AB5DC17B
128.4.0
x86—4A699AAF054ECE1EBBBD0C64C773546C82D2089545331C9D19FA0D56F8B78D5B
x64—C45CAE2C9A844E8546EC972110F81E8C29F9D77F8CFEE8ED4A8F201CE6ACA385
arm64—C1E6276376BB822C201E54E9DE7163AA21EAD7ABF970A051F19266A7C9F22719
128.3.1
x86—C9CEE045AB0C4AA48EDB47C6D1F7146A1FADDEABB8DB94A841BA03E45E966209
x64—C40C137188AA0ECD3CAA3B66BDE07E539549AFBC65D89E146C0BD3B915BA1F91
arm64—7A65BCE1ECB31AA84E51B87A25DC64E8ECA6E1E533A1FA8DC215ABEB745E33E9
128.3.0
x86—747116EF25436742B06AD5BC67B44420E59F827CDD0F960609EB1AC1E6CDA33A
x64—B04C31CDB1A4080379C1E680498B5139E496A1A961985FB21E9D2C01EC746685
arm64—47B64DEC988CD54AB4871827ED982981E057CE42804215AAE6463D16D0FA7692
115.15.0
x86—46B1F02F94029970286ABA3E0A5F17488D7F2F67C9811540AFE24907AE5C3455
x64—B66E28F13256C0EE2CEDC15E54DB70D4730A13B4D3623D7AB574D84F65C11F0E
arm64—C72D1194D72AA12BC8C8F3347FFFDAC30C5D06A5EB7D713B0800554500CA2C40
115.14.0
x86—24F06DEB08FF7E139036940774E3AF47F6A870B2029993C1965F8CEF21BC1622
x64—C4EBAF72DBC73C382D2FCDB3C32DF7D9186EF0E6E9053DCC9BA0BF2AB9F94282
arm64—ED0349CEA8190B5ADCA6FA5A24DA530DB880137EAB3D14D956467F733F131874
115.13.0
x86—8DEA95F98CBA781A4B8AD9696CA57AC252AC47B18606D7FE65285E29B48FD80D
x64—81F5AD77A9594097C1430CE25429F72FF8F7FBBBAAA9BCAF848EA2951232802F
arm64—2AD11F1CDC1735A71688BAD4C9D3909BD14FDA04436AE8A6BAD60FE0FE835991
115.12.0
x86—C004E3598EB61A70CA76064108A2F413A26D52F6531E48B87D7C3DF7E79A0D1F
x64—7EE9D2A85755F771D60F0F0245676B93D4C63146077F93F1269873C4F6E3DF93
arm64—0BAAA2B5FFE6E76BE31532E2C7B3165E48F5DF09B3ED085509FD65B918BAD0B2
115.11.0
x86—5BD17F1B36382213837A0558B56797404FCB48269F123C503B1AD110F93D5080
x64—4B701AA911D9078B2136DCC9768F69E45F3FC3FF0B0111882325BD932EB170A7
arm64—C0330EF56489C003F19ECD712518C372A272D815E1A5FCC1702F3AE760ACFD6C
115.10.0
x86—0C21714F9132E14FA23DFB2EBDB9E4E08CD4C1A3C81DA9540342FBEFC3FBFD8B
x64—FE680629E24328A880D466F4A0E9C2244D80552AD677C7F950E1758F9CCB64E1
arm64—DC354C3A18F63804B0024F7DC5D509DD099EA2CAADBE2FDF6E3B2A04E74B0D80
115.9.1
x86—0EA04D3AA79ED49B1AC8B627AD7D18CD3D9430A56EF7D739A65502E8F1E9BB34
x64—1D92F16CB579395ED6CAF08594CA9A1CF9C70B39B299DD4BA69B376CBAB42A99
arm64—AF83F1C9B709BDEE331C03C3E0277F00FFEFAE5E24A3AD149C97774C2E439825
115.9.0
x86—D84C446DF4A070E55FC2DC279B15E2E2A9C9C96E7CD6144931A5CE14AA84ACF2
x64—1A1521423C2057FD9A73DB8284084480A599C1A975970BF7E00729322150840F
arm64—9CDCD937C5D1BB423A264F9494BD7DBDE6F5A5272C075331AF4B4C059D3A575B
115.8.0
x86—6E7BC19B0AE23AC394F9A2A8D4B65159EDC50A5EB58A52C1BDA94EEFEEDAD9E4
x64—538B5BBF5AC21B5259F04836235357701935044A1194CC73DE0D507BDCF0505F
arm64—A95E2982C9E1176E0AE8B8B5084727F8DF35425E24B712D4FC8E115FEE2D3E17
115.7.0
x86—82204C5546AD56680D1E4011F75FA808431F456D9BF8CBEC2BBBC3F9BBDC12E8
x64—020E6D950D4D85BB13B910CA698B7FDB486E69009BECD518A1F7666A7B1DD98D
arm64—F6124F7EC6D46AFCCF9C91F680F7C40982DEADCFAB2BD81EC93E9A4A791B37E9