Read the docs

Out-of-bounds read in NASA cFS file name parsing

Priority LOW 23CWE-119Published · Updated

Key facts

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

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

Summary

NASA cFS versions 7.0.0 and 7.0.1 contain an out-of-bounds read in the function CFE_FS_ParseInputFileNameEx in cfe/modules/fs/fsw/src/cfe_fs_api.c. The flaw matches CWE-125 and lets a remote attacker with high privileges read memory outside the intended buffer. The impact on availability is low.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A flaw has been found in NASA cFS up to 7.0.1. This issue affects the function CFE_FS_ParseInputFileNameEx of the file cfe/modules/fs/fsw/src/cfe_fs_api.c. This manipulation causes out-of-bounds read. Remote exploitation of the attack is possible. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0032 25th 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
None
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
nasacFS7.0.0; 7.0.1—No fix listedCNA
  • cFS Vendornasa Affected 7.0.0; 7.0.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*——nasa
  • cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:* Versions — — ·nasa

Remediation

The sources list no fixed version for cFS. A pull request to fix this issue awaits acceptance.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105164
  2. 2026-10-05 Alias added: GHSA-v57f-4hqc-phxq
  3. 2026-10-05 CISA SSVC decision points changed

References

  • TI-2025-21552 CryptoLib Has Heap Overflow in Crypto_TM_ProcessSecurity due to Unchecked Secondary Header Length CVSS 3.1CRITICAL 9.4
  • TI-2025-18986 The Memory Management Module of NASA cFS (Core Flight System) Aquila has insecure… CVSS 3.1CRITICAL 9.8
  • TI-2024-36754 A command injection vulnerability in the Command Dispatcher Service of NASA Fprime v3.4.3… CVSS 3.1CRITICAL 9.8
  • TI-2024-36752 A template injection vulnerability in the Dashboard of NASA Fprime v3.4.3 allows… CVSS 3.1CRITICAL 9.8
  • TI-2026-42833 AIT-DSN < 2.2.2 Missing Authentication via SLE API Routes CVSS 4.0CRITICAL 9.3
  • TI-2025-21662 Heap Buffer Overflow via Incomplete Length Check in `Crypto_TC_ApplySecurity` CVSS 4.0CRITICAL 9.3
See all 86 →

Sources