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Amazon Linux 2 : libsodium, --advisory ALAS2PHP8.2-2026-010 (ALASPHP8.2-2026-010)

medium Nessus Plugin ID 303093

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of libsodium installed on the remote host is prior to 1.0.18-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2PHP8.2-2026-010 advisory.

 libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an elliptic curve point is valid because it sometimes allows points that aren't in the main cryptographic group. (CVE-2025-69277)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update libsodium' or or 'yum update --advisory ALAS2PHP8.2-2026-010' to update your system.

See Also

https://alas.aws.amazon.com//AL2/ALAS2PHP8.2-2026-010.html

https://alas.aws.amazon.com/faqs.html

https://explore.alas.aws.amazon.com/CVE-2025-69277.html

Plugin Details

Severity: Medium

ID: 303093

File Name: al2_ALASPHP8_2-2026-010.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/19/2026

Updated: 3/19/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Low

Base Score: 3.2

Temporal Score: 2.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:P/A:N

CVSS Score Source: CVE-2025-69277

CVSS v3

Risk Factor: Medium

Base Score: 4.5

Temporal Score: 3.9

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libsodium-debuginfo, p-cpe:/a:amazon:linux:libsodium-static, p-cpe:/a:amazon:linux:libsodium, p-cpe:/a:amazon:linux:libsodium-devel

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/19/2026

Vulnerability Publication Date: 12/31/2025

Reference Information

CVE: CVE-2025-69277

IAVA: 2026-A-0014