cfitsio — security advisory
Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 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.
- Products
- cfitsio
- Affected versions
- Not specified
- Fixed versions
- 3.430-1
- CVEs
- CVE-2018-3847
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:29 UTC · Revision 1
Source evidence
Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 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.
osv:DEBIAN-CVE-2018-3847
cfitsio
Fixed versions: 3.430-1
cfitsio
Fixed versions: 3.430-1
cfitsio
Fixed versions: 3.430-1
Complete source record
{
"id": "db1e2a5877f396815b8813317d5341a56b220e71373738b9561c6107be3376e4",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-3847",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-3847",
"summary": "Multiple exploitable buffer overflow vulnerabilities exist in image parsing functionality of the CFITSIO library version 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.",
"evidence": "osv:DEBIAN-CVE-2018-3847",
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"evidence": "/affected/0/package/name"
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"prerequisites": [],
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{
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"severity": "high",
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"aliases": [
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"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
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"affected": [
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],
"modified": "2026-10-23T18:03:21.374489041Z",
"provider": "osv",
"upstream": [
"CVE-2018-3847"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-3847"
]
},
"related_cves": [
{
"value": "CVE-2018-3847",
"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421262,
"published_at": "2018-08-01T19:29:00.26+00:00"
}