Coreutils: heap buffer under-read in gnu coreutils sort via key specification
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 9.8
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- coreutils
From 7.2 · fixed in 9.8
- coreutils
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- coreutils
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- coreutils
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- cert-manager/jetstack-cert-manager-acmesolver-rhel9
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- rhui5/installer-tp-rhel9
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- coreutils
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- openshift/ose-rhel-coreos-8
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References 23
access.redhat.com
- errata/RHSA-2026:28911
- errata/RHSA-2026:33124
- errata/RHSA-2026:33313
- errata/RHSA-2026:33612
- errata/RHSA-2026:34102
- errata/RHSA-2026:39981
- errata/RHSA-2026:44481
- errata/RHSA-2026:46836
- errata/RHSA-2026:50205
- errata/RHSA-2026:58981
- errata/RHSA-2026:69964
- errata/RHSA-2026:72502
- errata/RHSA-2026:82304
- errata/RHSA-2026:82322
- errata/RHSA-2026:82347
- errata/RHSA-2026:82354
- errata/RHSA-2026:82372
- errata/RHSA-2026:82857
- errata/RHSA-2026:82888
- security/cve/CVE-2025-5278