CVE-2026-5476 (GCVE-0-2026-5476)

Vulnerability from cvelistv5 – Published: 2026-04-03 17:30 – Updated: 2026-04-04 03:20
VLAI
Title
NASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow
Summary
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.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-04 03:19 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3882 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/355080 vdb-entrytechnical-description
https://vuldb.com/vuln/355080/cti signaturepermissions-required
https://vuldb.com/submit/781971 third-party-advisory
https://github.com/nasa/cFS/issues/954 issue-tracking
https://github.com/nasa/cFS/ product
Impacted products
Vendor Product Version CPE status
NASA cFS Affected: 7.0
    cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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  }
}



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Tags
Taxonomy of the tags.


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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.