CVE-2026-18064
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An incomplete fix for CVE-2026-15352 in the NASA core Flight System (cFS) Health and Safety (HS) application leaves a separate NULL pointer dereference reachable in versions through 7.0.1. An attacker who can trigger the affected command under specific conditions could cause the HS application to crash, resulting in a denial-of-service condition and processor reset.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| NASA | Core Flight System (cFS) Health & Safety (HS) Application | 0 <= v7.0.1 | affected |
Weaknesses
- CWE-476: CWE-476 NULL Pointer Dereference
Workarounds
NASA reports that an official fix is currently under development and is expected to be included in a future software release.
As an interim mitigation, users can update their HS app from the HS repo ( https://github.com/nasa/HS ) to the latest dev branch. The fix is in the dev branch starting at commit 828855f971db4b6714367ed0a970f52dbeab2965
References
- https://github.com/nasa/HS
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-06
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-06.json
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