HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-115504 — CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2()...

·Source: NIST NVD

Updated:

Executive Summary

CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution.

Analysis

CFITSIO through 4.7.0 contains an out-of-bounds write vulnerability in ffgcls2() in getcols.c that trusts attacker-controlled heap descriptor lengths for variable-length string columns. Attackers can supply a crafted FITS file that overflows a fixed 28,800-byte stack buffer and the caller's string array, enabling arbitrary code execution. CVSS Score: 7.8. Published: 2026-10-22T20:17:06.313.

Indicators of Compromise (1)

CVE (1)
CVE-2026-115504
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 22, 2026. Verified by: NIST.

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