PT-2026-30208 · Nasa · Cfs

0Rbitingzer0 · CVE-2026-5476 · Published 2026-04-03 · Updated 2026-04-03

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

**Name of the Vulnerable Software and Affected Versions NASA cFS versions up to 7.0.0

Description A flaw exists in NASA cFS up to version 7.0.0 on 32-bit systems. The issue resides within the CFE TBL ValidateCodecLoadSize function, located in the file cfe/modules/tbl/fsw/src/cfe tbl passthru codec.c, and results in an integer overflow. Exploitation is considered difficult and requires a high level of complexity.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

CWE-189

Related Identifiers

CVE-2026-5476

Affected Products

Cfs

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5476.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5476 · Security Note
• https://osv.dev/vulnerability/CVE-2026-5476 · Vendor Advisory
• https://github.com/nasa/cFS/issues/954 · Note
• https://github.com/nasa/cFS · Note
• https://vuldb.com/vuln/355080/cti · Note
• https://vuldb.com/submit/781971 · Note
• https://twitter.com/CVEnew/status/2040128709827412303 · Twitter Post
• https://vuldb.com/vuln/355080 · Note