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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-16308 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.
Ubuntu USN Ubuntu USN USN-8697-1 GNU Core Utilities vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

References
Link Providers
http://www.openwall.com/lists/oss-security/2025/05/27/2 cve-icon
http://www.openwall.com/lists/oss-security/2025/05/29/1 cve-icon
http://www.openwall.com/lists/oss-security/2025/05/29/2 cve-icon
https://access.redhat.com/errata/RHSA-2026:28911 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:33124 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:33313 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:33612 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:34102 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:39981 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:44481 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:46836 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:50205 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:58981 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:69964 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:72502 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82304 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82322 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82347 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82354 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:82372 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2025-5278 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2368764 cve-icon cve-icon
https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633 cve-icon cve-icon
https://cgit.git.savannah.gnu.org/cgit/coreutils.git/tree/NEWS?id=8c9602e3a145e9596dc1a63c6ed67865814b6633#n14 cve-icon
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78507 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-5278 cve-icon
https://security-tracker.debian.org/tracker/CVE-2025-5278 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-5278 cve-icon
History

Wed, 14 Oct 2026 03:30:00 +0000


Tue, 29 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat cert Manager
CPEs cpe:/a:redhat:cert_manager:1.20::el9
Vendors & Products Redhat cert Manager
References

Tue, 22 Sep 2026 15:45:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8 cpe:/o:redhat:enterprise_linux:8::baseos
References

Tue, 25 Aug 2026 10:00:00 +0000

Type Values Removed Values Added
References

Wed, 05 Aug 2026 05:30:00 +0000

Type Values Removed Values Added
References

Mon, 27 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
References

Thu, 23 Jul 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhui
CPEs cpe:/a:redhat:rhui:5::el9
Vendors & Products Redhat rhui
References

Wed, 15 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Redhat cost Management
CPEs cpe:/a:redhat:cost_management:4::el9
Vendors & Products Redhat cost Management
References

Wed, 01 Jul 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat insights Proxy
CPEs cpe:/a:redhat:insights_proxy:1.5::el9
Vendors & Products Redhat insights Proxy
References

Tue, 30 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat openshift Distributed Tracing
CPEs cpe:/a:redhat:openshift_distributed_tracing:3.10::el9
Vendors & Products Redhat openshift Distributed Tracing
References

Tue, 30 Jun 2026 03:00:00 +0000

Type Values Removed Values Added
First Time appeared Redhat discovery
CPEs cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:rhivos:1
cpe:/a:redhat:discovery:2::el9
cpe:/o:redhat:enterprise_linux:10.2
Vendors & Products Redhat rhivos
Redhat discovery
References

Thu, 25 Jun 2026 05:15:00 +0000

Type Values Removed Values Added
First Time appeared Redhat rhivos
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos

Wed, 24 Jun 2026 10:15:00 +0000

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9::baseos
References

Tue, 19 May 2026 16:45:00 +0000

Type Values Removed Values Added
References

Thu, 29 May 2025 18:30:00 +0000

Type Values Removed Values Added
References

Thu, 29 May 2025 16:30:00 +0000


Thu, 29 May 2025 13:30:00 +0000

Type Values Removed Values Added
References

Wed, 28 May 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 28 May 2025 03:45:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Wed, 28 May 2025 01:30:00 +0000

Type Values Removed Values Added
References

Tue, 27 May 2025 21:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Coreutils: heap buffer under-read in gnu coreutils sort via key specification
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-121
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:6
cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-14T03:12:10.441Z

Reserved: 2025-05-27T14:05:48.552Z

Link: CVE-2025-5278

cve-icon Vulnrichment

Updated: 2025-05-29T18:03:55.440Z

cve-icon NVD

Status : Deferred

Published: 2025-05-27T21:15:23.197

Modified: 2026-10-14T04:17:56.953

Link: CVE-2025-5278

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-05-27T00:00:00Z

Links: CVE-2025-5278 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses