CVE-2026-5476— NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow
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I. Basic Information for CVE-2026-5476
Vulnerability Information
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Vulnerability Title
NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
Core Flight System 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Core Flight System（cFS）是NASA开源的一种通用的飞行软件架构框架，用于旗舰航天器、载人航天器、立方体卫星和 Raspberry Pi。 Core Flight System（cFS） 7.0.0及之前版本存在输入验证错误漏洞，该漏洞源于函数CFE_TBL_ValidateCodecLoadSize存在整数溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-5476
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- CVE-2026-5476 NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow (Issue 954)vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-5476
Same Patch Batch · NASA · 2026-04-03 · 4 CVEs total
| CVE-2026-5474 | 6.3 MEDIUM | NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow |
| CVE-2026-5475 | 5.5 MEDIUM | NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption |
| CVE-2026-5473 | 4.5 MEDIUM | NASA cFS Pickle pickle.load deserialization |
IV. Related Vulnerabilities
Same vendor: NASA
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NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg - CVE-2026-5474
NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MS - CVE-2026-5473
NASA cFS Pickle pickle.load deserialization - CVE-2026-22697
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