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TI-2026-04795 Aliases CVE-2026-5474GHSA-43rr-mfcw-532v

NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow

Priority MEDIUM 57CWE-119Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
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 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00393 33rd 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-2026-5474
  2. 2026-10-03 Alias added: GHSA-43rr-mfcw-532v

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-2026-04796 NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption CVSS 4.0MEDIUM 5.1
  • 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