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# NSS 3.90.2 release notes

## [Introduction](#introduction)

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Network Security Services (NSS) 3.90.2 was released on *15th February 2024\**.
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## [Distribution Information](#distribution_information)

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The HG tag is NSS_3_90_2_RTM. NSS 3.90.2 requires NSPR 4.35 or newer.

NSS 3.90.2 source distributions are available on ftp.mozilla.org for secure HTTPS download:

- Source tarballs:
  <https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/NSS_3_90_2_RTM/src/>

Other releases are available {ref}`mozilla_projects_nss_releases`.
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(changes-in-nss-3-90-2)=

## [Changes in NSS 3.90.2](#changes_in_nss_3.90.2)

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- Bug 1780432 - (CVE-2023-5388) Timing attack against RSA decryption in TLS.
- Bug 1867408 - add a defensive check for large ssl_DefSend return values.
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## [Compatibility](#compatibility)

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NSS 3.90.2 shared libraries are backwards-compatible with all older NSS 3.x shared
libraries. A program linked with older NSS 3.x shared libraries will work with
this new version of the shared libraries without recompiling or
relinking. Furthermore, applications that restrict their use of NSS APIs to the
functions listed in NSS Public Functions will remain compatible with future
versions of the NSS shared libraries.
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## [Feedback](#feedback)

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Bugs discovered should be reported by filing a bug report on
[bugzilla.mozilla.org](https://bugzilla.mozilla.org/enter_bug.cgi?product=NSS) (product NSS).
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