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As of 10/24/2026, cfitsio recorded 3 security vulnerabilities in the last 90 days, of which 1 is rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of cfitsio and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-115504CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.cCVE-2026-111125CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybbleCVE-2026-111124CFITSIO through 4.7.0 Heap Out-of-Bounds Read via Negative ZDITHER0 Seed| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-115504CFITSIO through 4.7.0 Out-of-Bounds Write via ffgcls2 in getcols.c | Exploitation statusActively exploited | FixYes | Published10/22/2026 | SeverityHigh |
CVE-2026-111125CFITSIO through 4.7.0 Heap Out-of-Bounds Read via HCOMPRESS input_nnybble | Exploitation statusActively exploited | FixYes | Published10/15/2026 | SeverityMedium |
CVE-2026-111124CFITSIO through 4.7.0 Heap Out-of-Bounds Read via Negative ZDITHER0 Seed | Exploitation statusNot confirmed | FixYes | Published10/15/2026 | SeverityMedium |
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