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TI-2026-04797 Aliases CVE-2026-5476GHSA-7x3q-gg96-9jgx

NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

Priority MEDIUM 44CWE-189Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nasacFS7.0—No fix listedCNA
  • cFS Vendornasa Affected 7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:*up to 7.0.0Vulnerablenasa
  • cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:* Versions up to 7.0.0 Vulnerable ·nasa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5476
  2. 2026-10-03 Alias added: GHSA-7x3q-gg96-9jgx

References

Other 2

  • TI-2025-18986 The Memory Management Module of NASA cFS (Core Flight System) Aquila has insecure… CVSS 3.1CRITICAL 9.8
  • TI-2025-18987 In NASA cFS (Core Flight System) Aquila, it is possible to put the onboard software in a… CVSS 3.1HIGH 7.5
  • TI-2025-18985 NASA cFS (Core Flight System) Aquila is vulnerable to segmentation fault via sending a… CVSS 3.1HIGH 7.5
  • TI-2025-18984 NASA cFS (Core Flight System) Aquila is vulnerable to path traversal in the OSAL module… CVSS 3.1HIGH 7.5
  • TI-2026-04795 NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow CVSS 4.0MEDIUM 5.3
  • TI-2026-04796 NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption CVSS 4.0MEDIUM 5.1
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences