Medium severity · published Dec 5, 2025
CVE-2025-14104
Util-linux: util-linux: heap buffer overread in setpwnam() when processing 256-byte usernames
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CM
Cert Manager support for Red Hat OpenShift release 1.18 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Ceph Storage 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Ceph Storage 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Ceph Storage 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 6 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 7 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 8 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Hardened Images · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat Insights proxy 1.5 · Red Hat
All versions, or not specified · source: vendor
RH
Red Hat OpenShift Container Platform 4 · Red Hat
All versions, or not specified · source: vendor
Affected product
CM
Cert Manager support for Red Hat OpenShift release 1.18
Red Hat
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-14104
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-14104
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:1696
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:1852
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:1913
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2485
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2563
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:2737
More from Cert Manager support for Red Hat OpenShift release 1.18
9.8
CVE-2026-42010
Gnutls: gnutls: authentication bypass via nul character in username
9.8
CVE-2025-14087
Glib: glib: buffer underflow in gvariant parser leads to heap corruption
9.1
CVE-2026-58016
Glib: integer underflow in gio/gdbusintrospection.c via "g_dbus_node_info_new_for_xml"
9.1
CVE-2026-33845
Gnutls: gnutls: denial of service via dtls zero-length fragment
8.6
CVE-2026-58014
Glib: off-by-one error in glib/gkeyfile.c via "g_key_file_get_locale_string_list"