--- id: CVE-2025-5278 title: A flaw was found in GNU Coreutils 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 fo… severity: medium cvss: 4.4 cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L' cwe: - CWE-121 vendor: Red Hat product: coreutils affected: - coreutils >= 7.2 < 9.8 - coreutils (all versions) - coreutils (all versions) - costmanagement/costmanagement-metrics-rhel9-operator (all versions) - discovery/discovery-ui-rhel9 (all versions) - discovery/discovery-server-rhel9 (all versions) - insights-proxy/insights-proxy-container-rhel9 (all versions) - rhosdt/tempo-gateway-opa-rhel9 (all versions) - rhosdt/tempo-gateway-rhel9 (all versions) - rhosdt/tempo-jaeger-query-rhel9 (all versions) - rhosdt/tempo-operator-bundle (all versions) - rhosdt/tempo-query-rhel9 (all versions) - rhosdt/tempo-rhel9 (all versions) - rhosdt/tempo-rhel9-operator (all versions) - rhosdt/opentelemetry-collector-rhel9 (all versions) - rhosdt/opentelemetry-rhel9-operator (all versions) - rhui5/cds-kubernetes-rhel9 (all versions) - rhui5/cds-rhel9 (all versions) - rhui5/haproxy-rhel9 (all versions) - rhui5/installer-rhel9 (all versions) - rhui5/rhua-rhel9 (all versions) - rhui5/cds-kubernetes-tp-rhel9 (all versions) - rhui5/installer-tp-rhel9 (all versions) - rhui5/rhua-tp-rhel9 (all versions) - coreutils - coreutils - coreutils (all versions) - openshift/ose-rhel-coreos-8 (all versions) - openshift/ose-rhel-coreos-9 (all versions) patched: - enterprise_linux_baseos_v_10 - enterprise_linux_baseos_v_9 - cost_management 4 - discovery 2 - insights_proxy 1.5 - openshift_distributed_tracing 3.10.2 - update_infrastructure 5 published: '2025-05-27' updated: '2026-09-22' sourceUpdated: '2026-09-22T16:17:36.780' source: NVD sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-5278' references: - url: 'https://access.redhat.com/errata/RHSA-2026:28911' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:33124' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:33313' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:33612' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:34102' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:39981' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:44481' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:46836' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:50205' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:58981' label: secalert@redhat.com - url: 'https://access.redhat.com/errata/RHSA-2026:69964' label: secalert@redhat.com - url: 'https://access.redhat.com/security/cve/CVE-2025-5278' label: secalert@redhat.com - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2368764' label: secalert@redhat.com - url: >- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633 label: secalert@redhat.com - url: 'https://debbugs.gnu.org/cgi/bugreport.cgi?bug=78507' label: secalert@redhat.com - url: 'http://www.openwall.com/lists/oss-security/2025/05/27/2' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.openwall.com/lists/oss-security/2025/05/29/1' label: af854a3a-2127-422b-91ae-364da2661108 - url: 'http://www.openwall.com/lists/oss-security/2025/05/29/2' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633 label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://cgit.git.savannah.gnu.org/cgit/coreutils.git/tree/NEWS?id=8c9602e3a145e9596dc1a63c6ed67865814b6633#n14 label: af854a3a-2127-422b-91ae-364da2661108 - url: 'https://security-tracker.debian.org/tracker/CVE-2025-5278' label: af854a3a-2127-422b-91ae-364da2661108 - url: >- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-5278.json - url: 'https://www.cve.org/CVERecord?id=CVE-2025-5278' - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-5278' tags: - nvd - cve.org - csaf - vex - red-hat epss: 0.00288 epssPercentile: 0.19011 ssvc: exploitation: none automatable: 'no' technicalImpact: partial timestamp: '2025-05-28T13:46:35.101788Z' ingestedAt: '2026-06-29T13:24:34.348Z' --- ## Overview 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. ## Remediation Refer to the linked advisories for vendor-supplied fixes and affected version ranges. ## Vendor advisories - **RHSA-2026:33124** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 10) · released 2026-06-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:33124) - **RHSA-2026:28911** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 9) · released 2026-06-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:28911) - **RHSA-2026:39981** · Red Hat · fixed in: Cost Management 4 · released 2026-07-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:39981) - **RHSA-2026:46836** · Red Hat · fixed in: Red Hat Discovery 2 · released 2026-07-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:46836) - **RHSA-2026:33313** · Red Hat · fixed in: Red Hat Discovery 2 · released 2026-06-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:33313) - **RHSA-2026:34102** · Red Hat · fixed in: Red Hat Insights proxy 1.5 · released 2026-07-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:34102) - **RHSA-2026:50205** · Red Hat · fixed in: Red Hat OpenShift distributed tracing 3.10.2 · released 2026-08-04 · [advisory](https://access.redhat.com/errata/RHSA-2026:50205) - **RHSA-2026:33612** · Red Hat · fixed in: Red Hat OpenShift distributed tracing 3.10.2 · released 2026-06-30 · [advisory](https://access.redhat.com/errata/RHSA-2026:33612) - **RHSA-2026:44481** · Red Hat · fixed in: Red Hat Update Infrastructure 5 · released 2026-07-23 · [advisory](https://access.redhat.com/errata/RHSA-2026:44481) - **RHSA-2026:58981** · Red Hat · fixed in: Red Hat Update Infrastructure 5 · released 2026-08-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:58981) - **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4 · updated 2026-09-22 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-5278.json) - **RHSA-2026:69964** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8) · released 2026-09-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:69964)