Out-of-bounds write in Talos NASA CFITSIO
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
In the ffgphd and ffgtkn functions in NASA CFITSIO 3.42, specially crafted images parsed via the library can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to trigger this vulnerability and potentially gain code execution.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Talos | NASA CFITSIO | NASA CFITSIO 3.42 | — | No fix listed | CNA |
- NASA CFITSIO VendorTalos Affected NASA CFITSIO 3.42 Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nasa:cfitsio:3.42:*:*:*:*:*:*:* | 3.42 | Vulnerable | nasa |
| cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* | 28 | Vulnerable | Fedoraproject |
- cpe:2.3:a:nasa:cfitsio:3.42:*:*:*:*:*:*:* Versions 3.42 Vulnerable ·nasa
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* Versions 28 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Talos NASA CFITSIO — FEDORA-2019-3c1aed2aa9
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2018-02819 Out-of-bounds write in Talos NASA CFITSIOPriority MEDIUM 44
- TI-2018-02818 Out-of-bounds write in Talos NASA CFITSIOPriority MEDIUM 44
- Advisory ·
Talos NASA CFITSIO — GLSA-202101-24
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2018-02819 Out-of-bounds write in Talos NASA CFITSIOPriority MEDIUM 44
- TI-2018-02818 Out-of-bounds write in Talos NASA CFITSIOPriority MEDIUM 44
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Enterprise 2 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3846
- 2026-10-03 Alias added: GHSA-cr48-5q9g-m667
References
Sources
- CVE-2018-3846 · CVE Program
- CVE-2018-3846 · NVD
- FIRST EPSS
- GHSA-cr48-5q9g-m667 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-3846 · Red Hat security data · CC BY 4.0
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