Buffer overflow in Nasa Cfs
CVE-2026-82479
A vulnerability was identified in NASA cFS up to 7.0.1. Impacted is the function OS_read of the file modules/protocol/tcp/fsw/src/sbn_tcp_if.c of the component SBN TCP Module. Such manipulation of the argument MsgSz leads to buffer overflow. The attack must be carried out from within the local network. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (30.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Nasa Cfs — versions 7.0.0, 7.0.1
Weakness classification (CWE)
References
- vuldb.com/vuln/397029 (technical-description, vdb-entry)
- vuldb.com/vuln/397029/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-82479 (third-party-advisory)
- vuldb.com/submit/888017 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82479?
- CVE-2026-82479 is a medium-severity vulnerability in Nasa Cfs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-08-30.
- How severe is CVE-2026-82479?
- Medium severity. CVSS v3 base score is 6.3 out of 10.