Medium
coreutils — security advisory
A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.
- Products
- coreutils
- Affected versions
- 9.1-1, 9.10-1, 9.4-1, 9.4-2, 9.4-3, 9.4-3.1, 9.5-1, 9.6-1, 9.6-2, 9.7-1, 9.7-2, 9.7-3
- Fixed versions
- Not specified
- CVEs
- CVE-2025-5278
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 16:32 UTC · Revision 1
Source evidence
A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.
osv:DEBIAN-CVE-2025-5278
coreutils
Fixed versions: Not specified
coreutils
Fixed versions: Not specified
coreutils
Fixed versions: Not specified
Complete source record
{
"id": "6c4a688d0ebf64f877a97d8b4f66fb254055831a94c7510b95bdd19c00fd5b00",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2025-5278",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2025-5278",
"summary": "A flaw was found in GNU Coreutils. The sort utility's begfield() function is vulnerable to a heap buffer under-read. The program may access memory outside the allocated buffer if a user runs a crafted command using the traditional key format. A malicious input could lead to a crash or leak sensitive data.",
"evidence": "osv:DEBIAN-CVE-2025-5278",
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"package": {
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"ecosystem": "Debian:13"
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"versions": [
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"database_specific": {
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],
"modified": "2026-10-15T09:47:33.262088237Z",
"provider": "osv",
"upstream": [
"CVE-2025-5278"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2025-5278"
]
},
"related_cves": [
{
"value": "CVE-2025-5278",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 327682,
"published_at": "2025-05-27T21:15:23.197+00:00"
}