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(mozilla-projects-nss-nss-3-90-6-release-notes)=
# NSS 3.90.6 release notes
## [Introduction](#introduction)
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Network Security Services (NSS) 3.90.6 was released on *13 April 2026*.
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## [Distribution Information](#distribution_information)
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The HG tag is NSS_3_90_6_RTM. NSS 3.90.6 requires NSPR 4.35 or newer.
NSS 3.90.6 source distributions are available on ftp.mozilla.org for secure HTTPS download:
- Source tarballs:
Other releases are available {ref}`mozilla_projects_nss_releases`.
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(changes-in-nss-3-90-6)=
## [Changes in NSS 3.90.6](#changes_in_nss_3.90.6)
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- Bug 2030135 - improve error handling in PK11_ImportPrivateKeyInfoAndReturnKey (NSS 3.90.5).
- Bug 2029462 - store email on subject cache_entry in NSS trust domain.
- Bug 2029425 - Heap use-after-free in cert_VerifyCertChainOld via dangling certsList[] entry on NameConstraints violation.
- Bug 2029323 - Improve size calculations in CMS content buffering.
- Bug 2028001 - avoid integer overflow while escaping RFC822 Names.
- Bug 2027378 - Reject excessively large ASN.1 SEQUENCE OF in quickder.
- Bug 2027365 - Deep copy profile data in CERT_FindSMimeProfile.
- Bug 2027345 - Improve input validation in DSAU signature decoding.
- Bug 2026089 - Clarify extension negotiation mechanism for TLS Handshakes (NSS 3.90.5).
- Bug 2023209 - ensure permittedSubtrees don't match wildcards that could be outside the permitted tree.
- Bug 2009552 - avoid integer overflow in platform-independent ghash.
- Bug 1935995 - make ss->ssl3.hs.cookie an owned-copy of the cookie.
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