-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2026-cb424f8aa2 2026-01-10 01:38:26.534892+00:00 --------------------------------------------------------------------------------
Name : libsodium Product : Fedora 43 Version : 1.0.21 Release : 2.fc43 URL : https://libsodium.org/ Summary : The Sodium crypto library Description : Sodium is a new, easy-to-use software library for encryption, decryption, signatures, password hashing and more. It is a portable, cross-compilable, installable, packageable fork of NaCl, with a compatible API, and an extended API to improve usability even further. Its goal is to provide all of the core operations needed to build higher-level cryptographic tools. The design choices emphasize security, and "magic constants" have clear rationales. The same cannot be said of NIST curves, where the specific origins of certain constants are not described by the standards. And despite the emphasis on higher security, primitives are faster across-the-board than most implementations of the NIST standards. -------------------------------------------------------------------------------- Update Information: Version 1.0.21 This point release includes all the changes from 1.0.20-stable, which include a security fix for the crypto_core_ed25519_is_valid_point() function, as well as two new sets of functions: The new crypto_ipcrypt_* functions implement mechanisms for securely encrypting and anonymizing IP addresses as specified in https://ipcrypt- std.github.io The sodium_bin2ip and sodium_ip2bin helper functions have been added to complement the crypto_ipcrypt_* functions and easily convert addresses between bytes and strings. XOF: the crypto_xof_shake* and crypto_xof_turboshake* functions are standard extendable output functions. From input of any length, they can derive output of any length with the same properties as hash functions. These primitives are required by many post-quantum mechanisms, but can also be used for a wide range of applications, including key derivation, session encryption and more. Version 1.0.20-stable XCFramework: cross-compilation is now forced on Apple Silicon to avoid Rosetta-related build issues The Fil-C compiler is supported out of the box The CompCert compiler is supported out of the box MSVC 2026 (Visual Studio 2026) is now supported Zig builds now support FreeBSD targets Performance of AES256-GCM and AEGIS on ARM has been improved with some compilers Android binaries have been added to the NuGet package Windows ARM binaries have been added to the NuGet package The Android build script has been improved. The base SDK is now 27c, and the default platform is 21, supporting 16 KB page sizes. The library can now be compiled with Zig 0.15 and Zig 0.16 Zig builds now generate position-independent static libraries by default on targets that support PIC arm64e builds have been added to the XCFramework packages XCFramework packages are now full builds instead of minimal builds MSVC builds have been enabled for ARM64 iOS 32-bit (armv7/armv7s) support has been removed from the XCFramework build script Security: optblockers have been introduced in critical code paths to prevent compilers from introducing unwanted side channels via conditional jumps. This was observed on RISC-V targets with specific compilers and options. Security: crypto_core_ed25519_is_valid_point() now properly rejects small-order points that are not in the main subgroup ((nonnull)) attributes have been relaxed on some crypto_stream* functions to allow NULL output buffers when the output length is zero A cross-compilation issue with old clang versions has been fixed JavaScript: support for Cloudflare Workers has been added JavaScript: WASM_BIGINT is forcibly disabled to retain compatibility with older runtimes A compilation issue with old toolchains on Solaris has been fixed crypto_aead_aes256gcm_is_available is exported to JavaScript libsodium is now compatible with Emscripten 4.x Security: memory fences have been added after MAC verification in AEAD to prevent speculative access to plaintext before authentication is complete Assembly files now include .gnu.property notes for proper IBT and Shadow Stack support when building with CET instrumentation -------------------------------------------------------------------------------- ChangeLog: * Wed Jan 7 2026 Remi Collet <[email protected]> - 1.0.21-2 - fix aarch64 build failure using upstream patch * Wed Jan 7 2026 Remi Collet <[email protected]> - 1.0.21-1 - update to 1.0.21 - open https://github.com/jedisct1/libsodium/discussions/1503 build failure on aarch64 - workaround build failure using -flax-vector-conversions on aarch64 -------------------------------------------------------------------------------- References: [ 1 ] Bug #2426618 - CVE-2025-69277 libsodium: libsodium: Improper validation of elliptic curve points could lead to data integrity or information disclosure. [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2426618 -------------------------------------------------------------------------------- This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-cb424f8aa2' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label All packages are signed with the Fedora Project GPG key. 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