CVE-2026-82479: Buffer Overflow in NASA cFS
Description
CVE-2026-82479 is a medium severity buffer overflow vulnerability in NASA's Core Flight System (cFS) versions 7.0.0 and 7.0.1. The flaw exists in the OS_read function within the SBN TCP Module, where improper handling of the MsgSz argument can lead to a buffer overflow. Exploitation requires local network access. No vendor response or patch has been provided as of the publication date.
CVSS v4.0
Score 5.3medium
Affected software
NASA
cFS
cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects NASA cFS up to version 7.0.1 in the OS_read function of the SBN TCP Module's TCP protocol file. Manipulating the MsgSz argument can cause a buffer overflow condition. The attack vector is limited to local network access, and no official remediation or patch has been disclosed by the vendor. The CVSS 4.0 base score is 5.3, indicating medium severity with attack vector as adjacent network and low complexity.
Potential Impact
Successful exploitation can cause a buffer overflow, potentially leading to memory corruption or denial of service within the affected component. The impact is limited by the requirement for local network access and the absence of known exploits in the wild. No further impact details or confirmed exploit scenarios are provided.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or provided a fix, users should restrict local network access to the affected systems and monitor for unusual activity related to the SBN TCP Module until an official patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-29T14:40:23.930Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a93be21acd9273b4922d9b2
Added to database: 08/30/2026, 05:22:41 UTC
Last enriched: 09/07/2026, 15:26:37 UTC
Last updated: 10/13/2026, 18:48:24 UTC
Views: 100
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