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SUSE libsodium Moderate Security Update CVE-2025-15444 2026-4368

SUSE libsodium Moderate Security Update CVE-2025-15444 2026-4368

Linuxsecurity •LinuxSecurity Advisories • September 29, 2026

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## This update for libsodium fixes the following issues: Update to 1.0.22 (jsc#PED-16890): * Post-quantum key encapsulation is now available. ML-KEM768, the NIST- standardized lattice-based KEM, is accessible through the crypto_kem_mlkem768_*() functions. * X-Wing, a hybrid KEM combining ML-KEM768 with X25519 for protection against both classical and quantum adversaries, is available through the crypto_kem_*() functions. X-Wing is the recommended KEM for most applications. * SHA-3 hash functions are now available as crypto_hash_sha3256__() and crypto_hash_sha3512__(), with both one-shot and streaming APIs. * Performance: NEON optimizations for Argon2 on ARM platforms. * Performance: SHA3 (Keccak1600) now leverages ARM SHA3 instructions when available on ARM platforms.

## This update for libsodium fixes the following issues: Update to 1.0.22 (jsc#PED-16890): * Post-quantum key encapsulation is now available. ML-KEM768, the NIST- standardized lattice-based KEM, is accessible through the crypto_kem_mlkem768_*() functions. * X-Wing, a hybrid KEM combining ML-KEM768 with X25519 for protection against both classical and quantum adversaries, is available through the crypto_kem_*() functions. X-Wing is the recommended KEM for most applications. * SHA-3 hash functions are now available as crypto_hash_sha3256__() and crypto_hash_sha3512__(), with both one-shot and streaming APIs. * Performance: NEON optimizations for Argon2 on ARM platforms. * Performance: SHA3 (Keccak1600) now leverages ARM SHA3 instructions when available on ARM platforms.

* CVE-2025-15444 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

* CVE-2025-15444 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-69277 ( SUSE ): 4.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

* CVE-2025-69277 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

* CVE-2025-69277 ( NVD ): 4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

* Basesystem Module 15-SP7

* Legacy Module 15-SP7

* SUSE Linux Enterprise Desktop 15 SP7

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing 15 SP5

Announcement ID: SUSE-SU-2026:4368-1 Release Date: 2026-09-28T15:06:43Z Rating: moderate

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