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CVE

CWE

Training

CVE-2026-5476

Published: Apr 3, 2026

Modified: Apr 4, 2026

PUBLISHED

CVSS v3.1

4.6

MEDIUM

Description

A vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit. Affected is the function CFE_TBL_ValidateCodecLoadSize of the file cfe/modules/tbl/fsw/src/cfe_tbl_passthru_codec.c. The manipulation leads to integer overflow. The complexity of an attack is rather high. The exploitability is told to be difficult. A fix is planned for the upcoming version milestone of the project.

Vendor	Product	Versions
NASA	cFS	affected `7.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-355080 | NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

vdb-entry

technical-description

VDB-355080 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #781971 | NASA cFS 7.0.0 Integer overflow in CFE_TBL_ValidateCodecLoadSize bypasses boun

third-party-advisory

https://github.com/nasa/cFS/issues/954

issue-tracking

https://github.com/nasa/cFS/

product

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