Y2Y2
Explore more on Y2
Public vulnerability disclosure
Investigate in Cyber
Open

CVE-2025-5278

Coreutils: heap buffer under-read in gnu coreutils sort via key specification

publishedCWE-121

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.

Technical severity4.4 mediumCVSS 3.1 · CNA: redhat
Published2025-05-27Source updated 2026-11-06
Collected2026-11-063 attributed sources

Fixes and workarounds

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.

Source: CNA: redhat

Affected products and versions

ProductVersionsAuthority


coreutils
https://cgit.git.savannah.gnu.org/cgit/coreutils.git/ 		≥ 7.2; < 9.8 (affected, semver)
Other versions: unaffected 		CNA: redhat
Red Hat Enterprise Linux 10
Red Hat
coreutils
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:9.5-8.el10_2; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 8
Red Hat
coreutils
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:8.30-21.el8_10; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 9
Red Hat
coreutils
https://access.redhat.com/downloads/content/package-browser/ 		≥ 0:8.32-41.el9_8; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791371080; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791371069; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791788287; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.17
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ 		≥ 1791970484; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-acmesolver-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459707; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/jetstack-cert-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459711; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-istio-csr-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1791459759; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1789029076; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
cert-manager/cert-manager-operator-bundle
https://catalog.redhat.com/software/containers/ 		≥ 1791966259; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cert Manager support for Red Hat OpenShift release 1.20
Red Hat
cert-manager/cert-manager-trust-manager-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1790598593; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Cost Management 4
Red Hat
costmanagement/costmanagement-metrics-rhel9-operator
https://catalog.redhat.com/software/containers/ 		≥ 1783539156; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-ui-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782756541; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Discovery 2
Red Hat
discovery/discovery-server-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784821670; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Insights proxy 1.5
Red Hat
insights-proxy/insights-proxy-container-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782890503; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-gateway-opa-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782501180; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-gateway-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782501200; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-jaeger-query-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782498923; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-operator-bundle
https://catalog.redhat.com/software/containers/ 		≥ 1782510941; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-query-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782501220; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1782501196; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/tempo-rhel9-operator
https://catalog.redhat.com/software/containers/ 		≥ 1782501195; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/opentelemetry-collector-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1785704636; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat OpenShift distributed tracing 3.10.1
Red Hat
rhosdt/opentelemetry-rhel9-operator
https://catalog.redhat.com/software/containers/ 		≥ 1785704547; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794818; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794778; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/haproxy-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784795112; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784794289; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1784795076; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/cds-kubernetes-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787241211; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/installer-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787135742; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Update Infrastructure 5
Red Hat
rhui5/rhua-tp-rhel9
https://catalog.redhat.com/software/containers/ 		≥ 1787241260; < * (unaffected, rpm)
Other versions: affected 		CNA: redhat
Red Hat Enterprise Linux 6
Red Hat
coreutils
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: unknown 		CNA: redhat
Red Hat Enterprise Linux 7
Red Hat
coreutils
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: unknown 		CNA: redhat
Red Hat OpenShift AI (RHOAI)
Red Hat
rhoai/odh-llama-stack-k8s-operator-rhel9
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: unaffected 		CNA: redhat
Red Hat OpenShift Container Platform 4
Red Hat
openshift/ose-rhel-coreos-8
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: affected 		CNA: redhat
Red Hat OpenShift Container Platform 4
Red Hat
openshift/ose-rhel-coreos-9
https://access.redhat.com/downloads/content/package-browser/ 		Range not reported
Other versions: affected 		CNA: redhat

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

Version / scoreVectorAuthority
3.1 / 4.4
medium		 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:LCNA: redhat
3.1 / 4.4
medium		 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:LNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.

Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.

Get an API keyUse x402Connect an agent
Endpoints and access details

https://api.y2.dev/api/v2/cyber/cves
https://api.y2.dev/api/v2/cyber/cves/{cveId}

A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.

For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.

Agent access JSON · OpenAPI · CVE API guide