FireFox 128.7 115.20 esr & Firefox 135 update

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N97
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FireFox 128.7 115.20 esr & Firefox 135 update

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Posting due to a Security Risk involving some SSL/TLS choices involving PKCS7: the decoder is at risk.

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N97

Last edited by bigpup on Wed Mar 05, 2025 5:28 am, edited 1 time in total.
Reason: removed abbreviations and provided complete full name

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Re: FF128.7 115.20 esr & FF135 update

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Firefox 135 ONLY has update to fix memory safety bugs RATED 'HIGH'. Such bugs should be updated!

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Re: FF128.7 115.20 esr & FF135 update

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Today, March 4th FireFox announced these security updates...

MFSA 2025-16 Security Vulnerabilities fixed in Firefox ESR 128.8 CRITICAL
MFSA 2025-15 Security Vulnerabilities fixed in Firefox ESR 115.21 CRITICAL
MFSA 2025-14 Security Vulnerabilities fixed in Firefox 136 HIGH

Due to 'CRITICAL' (highest risk: no interaction needed) Update Recommended

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Re: FF128.7 115.20 esr & FF135 update

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I have recinded the most recent (Mar. 4th) recommendation to update... Some websites will BREAK the SSL/TLS authentication, and some will not verify as human.

Make a copy of the firefox, and .mozilla folders OFF the distro, in case of failure(s) then update. Revert to the copies if failure(s) occur.

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Re: FireFox 128.8esr update

Post by N97 »

With help from bugzilla.mozilla.org I have found the culprit to the broken tests/security-lapse.

In about:config use search term alpn
The setting was FALSE in my set-up.
It must revert to TRUE (default setting).
Upgrade to 128.8.0esr recommended after the repair.

But still... the ONLY thing altered was the update... the false setting worked 128.7
and I ignored the suspect alpn setting. Possibly a memory-safety bugfix that usually is not detailed.

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