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    CVE-2026-22023

    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.

    Published:Jan 10, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 10, 2026
    EPSS Score:0.00025
    CVSS Score:7.5

    Affected Products

    Vendor
    Nasa
    Product
    Cryptolib

    Exploits

    https://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chqhttps://github.com/nasa/CryptoLib/security/advisories/GHSA-8w3h-q8jm-3chq

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-22697 (CVSS 7.5) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-22027 (CVSS 5.7) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-22026 (CVSS 8.2) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-22025 (CVSS 6.3) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-22024 (CVSS 6.3) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-21900 (CVSS 8.2) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-21899 (CVSS 4.7) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-21898 (CVSS 8.2) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2026-21897 (CVSS 7.3) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…
    CVE-2025-64096 (CVSS 8.8) — CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Proce…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High