A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the setpwnam() function, affecting SUID (Set User ID) login-utils utilities writing to the password database.
CVE-2025-14104
Score 6.1 from GitHub Security Advisory published 2025-12-05. a secondary CVSS source baseline 6.1; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EG Risk
- 28(Track)EG Risk 28/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 9%
- KEV
- Not listed
Published
December 5, 2025
Last Modified
August 21, 2026
Advisory Details (10)
Auto-updated Jun 25, 2026Affected: Red Hat Enterprise Linux 9.
https://access.redhat.com/errata/RHSA-2026:1913Affected: Red Hat Enterprise Linux 8.
https://access.redhat.com/errata/RHSA-2026:1852Affected: Red Hat Enterprise Linux 10.
https://access.redhat.com/errata/RHSA-2026:1696Vendor Advisories for CVE-2025-14104(7)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:7180Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2026:4943Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Update Infrastructure 5.1 security update
- RHSA-2026:3406Red Hat Product SecurityHigh
Red Hat Security Advisory: New container image: rhceph-9.0
- RHSA-2026:2800Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Ceph Storage
- RHSA-2026:2737Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Ceph Storage
- RHSA-2026:2563Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Update Infrastructure 5 security update
- RHSA-2026:2485Red Hat Product SecurityHigh
Red Hat Security Advisory: Insights proxy Container Image
Patch Availability(10)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | util-linux-main-2.42-7.1.hum1 | 2026-04-09 | redhat |
| redhat | rhui5/rhua-rhel9:1773670137 | 2026-03-18 | redhat |
| redhat | rhceph/rhceph-9-rhel9:1771816028 | 2026-02-26 | redhat |
| redhat | rhceph/rhceph-7-rhel9:1770632724 | 2026-02-17 | redhat |
| redhat | rhceph/rhceph-8-rhel9:1770630907 | 2026-02-16 | redhat |
| redhat | rhui5/installer-rhel9:1770646925 | 2026-02-11 | redhat |
| redhat | insights-proxy/insights-proxy-container-rhel9:1770740405 | 2026-02-10 | redhat |
| redhat | util-linux-0:2.32.1-48.el8_10 | 2026-02-04 | redhat |
| redhat | util-linux-0:2.37.4-21.el9_7 | 2026-02-04 | redhat |
| redhat | util-linux-0:2.40.2-15.el10_1 | 2026-02-02 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| util-linux | 2.36.1-8 ... 2.42~rc2-1 (140 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| util-linux | 2.38.1-5 ... 2.42~rc2-1 (116 versions) | — | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| util-linux | 2.41-5 ... 2.42~rc2-1 (31 versions) | — | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| util-linux | 2.41-5 ... 2.41.2-4 (9 versions) | 2.41.3-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(4)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2025-141042025-12-13
Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames
- Red HatRHSA-2026:1696MODERATE2025-12-05
RHSA-2026:1696 — Moderate
- Red HatRHSA-2026:1852MODERATE2025-12-05
RHSA-2026:1852 — Moderate
- Red HatRHSA-2026:1913MODERATE2025-12-05
RHSA-2026:1913 — Moderate
Data Freshness Timeline
(refreshed 7× in last 7d / 36× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 162 total refreshes for this CVE.
- 2026-08-30 19:16 UTCEPSS rescore
- 2026-08-30 01:21 UTCEPSS rescore
- 2026-08-28 21:40 UTCEPSS rescore
- 2026-08-27 14:24 UTCEPSS rescore
- 2026-08-26 14:45 UTCEPSS rescore
- 2026-08-25 13:47 UTCEPSS rescore
- 2026-08-24 14:15 UTCEPSS rescore
- 2026-08-23 00:18 UTCEPSS rescore
- 2026-08-21 23:48 UTCEPSS rescore
- 2026-08-21 13:23 UTCEG score recompute
- 2026-08-21 13:23 UTCVendor advisory
- 2026-08-21 13:23 UTCGHSA enrichment
- 2026-08-21 12:50 UTCEG score recompute
- 2026-08-21 12:50 UTCVendor advisory
- 2026-08-21 12:50 UTCGHSA enrichment
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:47 UTCEPSS rescore
- 2026-08-16 14:55 UTCEPSS rescore
- 2026-08-16 02:13 UTCEPSS rescore
- 2026-08-16 02:13 UTCEPSS rescore
- 2026-08-15 01:29 UTCEPSS rescore
- 2026-08-13 21:59 UTCEPSS rescore
- 2026-08-12 13:49 UTCEPSS rescore
- 2026-08-11 13:41 UTCEPSS rescore
- 2026-08-10 23:59 UTCEPSS rescore
Show 75 moreShow fewer
- 2026-08-09 13:45 UTCEPSS rescore
- 2026-08-08 08:30 UTCEG score recompute
- 2026-08-08 08:30 UTCVendor advisory
- 2026-08-08 08:30 UTCGHSA enrichment
- 2026-08-07 16:26 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:16 UTCEPSS rescore
- 2026-08-04 15:09 UTCEPSS rescore
- 2026-08-04 10:37 UTCEPSS rescore
- 2026-08-03 10:35 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:29 UTCEPSS rescore
- 2026-07-28 15:35 UTCEPSS rescore
- 2026-07-27 14:12 UTCEPSS rescore
- 2026-07-27 06:09 UTCOSV refresh
- 2026-07-26 14:53 UTCEPSS rescore
- 2026-07-25 14:17 UTCEPSS rescore
- 2026-07-24 14:16 UTCEPSS rescore
- 2026-07-23 14:17 UTCEPSS rescore
- 2026-07-23 02:49 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-22 14:07 UTCEPSS rescore
- 2026-07-21 15:24 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 14:30 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-19 02:28 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-16 17:02 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-15 01:59 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 22:29 UTCEPSS rescore
- 2026-07-13 06:12 UTCEPSS rescore
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-10 00:45 UTCOSV refresh
- 2026-07-09 19:09 UTCEPSS rescore
- 2026-07-08 15:14 UTCEPSS rescore
- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-06 02:22 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 06:30 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-06-30 23:21 UTCEPSS rescore
- 2026-06-29 14:06 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 14:07 UTCEPSS rescore
- 2026-06-28 04:55 UTCEPSS rescore
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-27 03:08 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-25 13:49 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-23 21:32 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-22 14:25 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 14:56 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-21 01:59 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-19 19:25 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-18 17:52 UTCEPSS rescore
- 2026-06-17 17:52 UTCEPSS rescore
Frequently asked(5)
What is CVE-2025-14104?
When was CVE-2025-14104 disclosed?
Is CVE-2025-14104 actively exploited?
What is the CVSS score of CVE-2025-14104?
How do I remediate CVE-2025-14104?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-14104
Is Your Infrastructure Affected by CVE-2025-14104?
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