Red Hat Security Advisory: coreutils security update
Affects Red Hat coreutilsSource GCVE Database
Not known to be exploited · CVSS 4.4 Medium : upgrade Red Hat coreutils to 9.8 when convenient.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 9.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 27 May 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade coreutils to 9.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| coreutils | Affected
| Fixed in
|
Description
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.