CVE-2025-5278: Red Hat Enterprise Linux 10 · Stack-based Buffer Overflow
Affects Red Hat Enterprise Linux 10Source CVE Database V5
Not known to be exploited · CVSS 4.4 Medium.
Data as of 25 Oct 2026, 19:02 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.
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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat Enterprise Linux 10 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 8 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 9 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.17 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.18 | Affected– | Fixed in– |
| Red HatCert Manager support for Red Hat OpenShift release 1.20 | Affected– | Fixed in– |
| Red HatCost Management 4 | Affected– | Fixed in– |
| Red HatRed Hat Discovery 2 | Affected– | Fixed in– |
| Red HatRed Hat Discovery 2 | Affected– | Fixed in– |
| Red HatRed Hat Insights proxy 1.5 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift distributed tracing 3.10.2 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Update Infrastructure 5 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 6 | Affected– | Fixed in– |
| Red HatRed Hat Enterprise Linux 7 | Affected– | Fixed in– |
| Red HatRed Hat OpenShift Container Platform 4 | Affected– | Fixed in– |
AI-suggested
Red Hat has released official security updates for Red Hat Enterprise Linux versions 9 and 10 that address this vulnerability. Users should apply these updates as described in the Red Hat advisories (RHSA-2026:28911 for RHEL 9 and RHSA-2026:33124 for RHEL 10). Applying these patches will remediate the heap buffer under-read issue in the GNU Coreutils sort utility. No additional mitigation steps are indicated by the vendor.
Description
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.
References
- access.redhat.com/errata/RHSA-2026:28911 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:33124 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:33313 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:33612 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:34102 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:39981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:44481 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:46836 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-5278 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2368764 (opens in a new tab)
- cgit.git.savannah.gnu.org/cgit/coreutils.git/commit/?id=8c9602e3a145e9596dc1a63c6ed67865814b6633 (opens in a new tab)
- debbugs.gnu.org/cgi/bugreport.cgi?bug=78507 (opens in a new tab)
- openwall.com/lists/oss-security/2025/05/27/2 (opens in a new tab)
- openwall.com/lists/oss-security/2025/05/29/1 (opens in a new tab)
- security-tracker.debian.org/tracker/CVE-2025-5278 (opens in a new tab)
- cgit.git.savannah.gnu.org/cgit/coreutils.git/tree/NEWS?id=8c9602e3a145e9596dc1a63c6ed67865814b6633 (opens in a new tab)
- openwall.com/lists/oss-security/2025/05/29/2 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:50205 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:58981 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:69964 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:72502 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82304 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82322 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82347 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82354 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82372 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82857 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:82888 (opens in a new tab)