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    CVE-2026-5474

    A vulnerability was found in NASA cFS up to 7.0.0. This affects the function CFE_MSG_GetSize of the file apps/to_lab/fsw/src/to_lab_passthru_encode.c of the component CCSDS Packet Header Handler. Performing a manipulation results in heap-based buffer overflow. The attacker must have access to the local network to execute the attack. The project was informed of the problem early through an issue report but has not responded yet.

    Published:Apr 3, 2026
    Last Modified:Apr 30, 2026
    EPS:Apr 3, 2026
    EPSS Score:0.00019
    CVSS Score:6.3

    Affected Products

    Vendor
    Nasa
    Product
    Cfs
    Vendor
    Nasa
    Product
    Core Flight System

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-82480 (CVSS 5.3) — A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUs…
    CVE-2026-82479 (CVSS 5.3) — A vulnerability was identified in NASA cFS up to 7.0.1. Impacted is the function OS_read of the file modules/p…
    CVE-2026-67979 (CVSS 9.1) — Incorrect access control in the Executive Services dynamic application start path component of NASA cFS v7.0.1…
    CVE-2026-67978 (CVSS 7.5) — An issue in the SBN UDP interface of NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via t…
    CVE-2026-67973 (CVSS 7.5) — An issue in the CFDP receive path of NASA cFS v7.0.1 allows attackers to cause a Denial of Service (DoS) via r…
    CVE-2026-67969 (CVSS 7.5) — An issue in the HS_MonitorApplications() component of NASA cFS v7.0.1 allows attackers to force the processor …
    CVE-2026-67972 (CVSS 7.5) — An issue in the CF_CFDP_RecvMd() component of NASA cFS v7.0.1 allows attackers to contrl where received conten…
    CVE-2026-67970 (CVSS 7.5) — Incorrect access control in the DS_SetDestPathCmd() component of NASA cFS v7.0.1 allows attackers to access se…
    CVE-2026-67974 (CVSS 7.5) — A parser boundary flaw in the Software Bus Network (SBN) application's peer subscription message handling in N…
    CVE-2026-67975 (CVSS 7.5) — Incorrect access control in NASA cFS v7.0.1 allows attackers to arbitrarily remove low-index subscriptions and…

    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