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AUSCERT External Security Bulletin Redistribution
MFSA 2020-15 Security Vulnerabilities fixed in Firefox for iOS 25
5 May 2020
AusCERT Security Bulletin Summary
Product: Mozilla Firefox
Operating System: Apple iOS
Impact/Access: Access Confidential Data -- Remote/Unauthenticated
CVE Names: CVE-2020-6830
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Mozilla Foundation Security Advisory 2020-15
Security Vulnerabilities fixed in Firefox for iOS 25
May 1, 2020
Firefox for iOS
Firefox for iOS 25
# CVE-2020-6830: Native-to-JS bridging security token exploit
For native-to-JS bridging, the app requires a unique token to be passed that
ensures non-app code can't call the bridging functions. That token was being
used for JS-to-native also, but it isn't needed in this case, and its usage was
also leaking this token.
o Bug 1632387
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