What’s Vulnerable › Vulnerabilities

CVE-2026-82479: NASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflow

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-30 · updated 2026-09-01
• Weakness: CWE-119

Description

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.

Affected products

• NASA cFS: 7.0.0, 7.0.1

References

• https://vuldb.com/cve/CVE-2026-82479
• https://vuldb.com/submit/888017
• https://vuldb.com/vuln/397029
• https://vuldb.com/vuln/397029/cti
• https://vuldb.com/submit/888017

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