HIGHVulnerability
CVE-2026-82480
A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUserDataLength of the file src/cFS/cfe/modules/sb/fsw/src/cfe_sb_util.c of the component cFE Software Bus. Performing a manipulation of the argument TotalMsgSize/HdrSize results in integer underflow. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Properties
- severity
- HIGH
- score
- 7.4
- epss_score
- 0.00224
- cve_id
- CVE-2026-82480
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
- published_at
- 2026-08-30T06:16:56.730
- last_modified
- 2026-09-01T20:48:22.513
- epss_percentile
- 0.12958
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (2)
→[Weakness]Integer Underflow (Wrap or Wraparound)
→[Weakness]
DESCRIBED_BY (1)
→[Source]NVD
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