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TI-2026-04796 Aliases CVE-2026-5475GHSA-j8qx-48g9-p37g

NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption

Priority MEDIUM 56CWE-119Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
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 determined in NASA cFS up to 7.0.0. This impacts the function CFE_SB_TransmitMsg of the file cfe_sb_priv.c of the component CCSDS Header Size Handler. Executing a manipulation can lead to memory corruption. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00229 13th 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-2026-5475
  2. 2026-10-03 Alias added: GHSA-j8qx-48g9-p37g

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-2026-04797 NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow CVSS 4.0LOW 2.1
See all 7 →

Sources

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