CVE-2026-92159 nasa CVE debrief

Who should care

Defenders responsible for F´-based spaceflight and embedded software applications should assess exposure and verify telemetry packetization. They should also review adjacent channel field data for corruption and update to version 4.3.0 or later to ensure system reliability. The vulnerability affects operators, platforms, and security teams, and requires verification and potential updates to ensure system reliability.

Why it matters

CVE-2026-92159 is a medium-severity vulnerability in F´ that can cause telemetry corruption, requiring verification and potential updates to ensure system reliability.

• Telemetry corruption may cause incorrect system state assessments
• Verification of telemetry packetization is necessary to ensure system reliability
• Updating to version 4.3.0 or later is required to fix the vulnerability

Technical summary

The TlmPacketizer in F´ copies oversized telemetry past configured channel slots, emitting corrupted packetized telemetry. This issue is fixed in version 4.3.0. The vulnerability allows an attacker to cause telemetry corruption, which can lead to incorrect system state assessments. Defenders should verify telemetry packetization and update to version 4.3.0 or later to ensure system reliability. The issue is caused by the TlmPacketizer in F´ copying oversized telemetry past configured channel slots, emitting corrupted packetized telemetry.

Defensive priority

Defenders should prioritize verifying telemetry packetization and updating to version 4.3.0 or later.

Recommended defensive actions

• Verify telemetry packetization and configuration
• Update to version 4.3.0 or later
• Review adjacent channel field data for corruption
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and fixed version. The issue is caused by the TlmPacketizer in F´ copying oversized telemetry past configured channel slots, emitting corrupted packetized telemetry. The CVE record was published on 2026-10-14T17:12:47.065Z and has not been modified since then. The source item provides additional metadata on the vulnerability, including its title and description.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.