RHSA-2026:33124
Vulnerability from csaf_redhat - Published: 2026-06-29 15:32 - Updated: 2026-07-01 09:36Summary
Red Hat Security Advisory: coreutils security update
Severity
Moderate
Notes
Topic: An update for coreutils is now available for Red Hat Enterprise Linux 10.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: The coreutils packages contain the GNU Core Utilities and represent a combination of the previously used GNU fileutils, sh-utils, and textutils packages.
Security Fix(es):
* coreutils: Heap Buffer Under-Read in GNU Coreutils sort via Key Specification (CVE-2025-5278)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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.
4.4 (Medium)
Affected products
Fixed
21 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-10.2.Z:coreutils-0:9.5-8.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-0:9.5-8.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-0:9.5-8.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-0:9.5-8.el10_2.src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-0:9.5-8.el10_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debuginfo-0:9.5-8.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debuginfo-0:9.5-8.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debuginfo-0:9.5-8.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debuginfo-0:9.5-8.el10_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debugsource-0:9.5-8.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debugsource-0:9.5-8.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debugsource-0:9.5-8.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-debugsource-0:9.5-8.el10_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-0:9.5-8.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-0:9.5-8.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-0:9.5-8.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-0:9.5-8.el10_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-debuginfo-0:9.5-8.el10_2.aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-debuginfo-0:9.5-8.el10_2.ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-debuginfo-0:9.5-8.el10_2.s390x | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-single-debuginfo-0:9.5-8.el10_2.x86_64 | — |
Vendor Fix
fix
Workaround
|
Known not affected
4 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: BaseOS-10.2.Z:coreutils-common-0:9.5-8.el10_2.aarch64 | — |
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-common-0:9.5-8.el10_2.ppc64le | — |
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-common-0:9.5-8.el10_2.s390x | — |
Workaround
|
|
| Unresolved product id: BaseOS-10.2.Z:coreutils-common-0:9.5-8.el10_2.x86_64 | — |
Workaround
|
Threats
Impact
Moderate
References
10 references
Acknowledgments
Mohamed Maatallah
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "coreutils: Heap Buffer Under-Read in GNU Coreutils sort via Key Specification"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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