CVE-2026-5476

MEDIUM

NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

Title source: cna
STIX 2.1

Description

A vulnerability was identified in NASA cFS up to 7.0.0 on 32-bit. Affected is the function CFE_TBL_ValidateCodecLoadSize of the file cfe/modules/tbl/fsw/src/cfe_tbl_passthru_codec.c. The manipulation leads to integer overflow. The complexity of an attack is rather high. The exploitability is told to be difficult. A fix is planned for the upcoming version milestone of the project.

References (5)

Scores

CVSS v3 4.6
EPSS 0.0003
EPSS Percentile 10.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-189 CWE-190
Status published
Products (1)
NASA/cFS 7.0
Published Apr 03, 2026
Tracked Since Apr 03, 2026