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CVE-2026-22023

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Date: January 9, 2026

CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, there is an out-of-bounds heap read vulnerability in cryptography_aead_encrypt(). This issue has been patched in version 1.4.3.

Severity Score

Related Resources (5)

https://github.com/nasa/CryptoLib/commit/2372efd3da1ccb226b4297222e25f41ecc84821d
https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chq
https://github.com/nasa/CryptoLib/releases/tag/v1.4.3
https://nvd.nist.gov/vuln/detail/CVE-2026-22023
https://www.mend.io/vulnerability-database/CVE-2026-22023

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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Upgrade Version

Upgrade to version https://github.com/nasa/CryptoLib.git - v1.4.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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