CVE-2026-82480— NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow
Quick assessment
Affected
NASA cFS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在NASA cFS 7.0.1 及更早版本中发现了一个安全缺陷。受影响的元素是组件 cFE Software Bus 中文件 中的函数 。对参数 的操作会导致整数下溢（integer underflow）。该漏洞可被远程利用以发起攻击。供应商已被告知此披露事宜，但未作任何回应。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-82480
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-82480
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-82480
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-82480 (1)
Other References for CVE-2026-82480 (2)
-
🔗 CVE-2026-82480 in cFS third-party-advisory
-
🔗 CVE-2026-82480 NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow vdb-entry technical-description
Same Patch Batch · NASA · 2026-08-30 · 3 CVEs total
| CVE-2026-82478 | 7.3 HIGH | NASA Trick TCP Socket JSONVariableServerThread.cpp parse_request stack-based overflow |
| CVE-2026-82479 | 6.3 MEDIUM | NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow |
IV. Related Vulnerabilities
Same product: cFS
-
CVE-2026-82479
NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow -
CVE-2026-5476
NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadS -
CVE-2026-5475
NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg -
CVE-2026-5474
NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MS -
CVE-2026-5473
NASA cFS Pickle pickle.load deserialization
Same vendor: NASA
-
CVE-2026-82479
NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow -
CVE-2026-82478
NASA Trick TCP Socket JSONVariableServerThread.cpp parse_req -
CVE-2026-72579
NASA HyperCP - OS Command Injection via Malicious HTTP Respo -
CVE-2026-72577
NASA fprime-gds - Missing Authentication and Path Traversal -
CVE-2026-18064
NASA Core Flight System (cFS) Health & Safety (HS) Applicati
Same weakness: CWE-191
-
CVE-2026-54754
Klever-Go: Marketplace settlement mints KLV when referral % -
CVE-2026-82250
gitoxide gix-packetline before 0.21.5 Denial of Service -
CVE-2026-78011
Fireware OS Integer Underflow in Iked Allows Unauthenticated -
CVE-2026-19314
Fireware OS Integer Underflow in iked Allows Unauthenticated -
CVE-2026-71401
wicked: integer underflow of the UDP length in ni_capture_in
V. Comments for CVE-2026-82480
No comments yet