RHSA-2026:1702

HIGH7.5

Red Hat Security Advisory: fence-agents security update

Published Feb 3, 2026

Modified Yesterday

Fix available

Affected Packages(53 packages)

fence-agents

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-aliyun-debuginfo

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-all

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-amt-ws

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-apc

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-apc-snmp

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-bladecenter

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-brocade

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-cisco-mds

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

fence-agents-cisco-ucs

Red Hat rhel_aus 8.6 appstreamRed Hat rhel_e4s 8.6 appstreamRed Hat rhel_e4s 8.6 highavailabilityRed Hat rhel_tus 8.6 appstreamRed Hat rhel_tus 8.6 highavailability

Fixed in:

0:4.2.1-89.el8_6.19

References

ADVISORYhttps://access.redhat.com/errata/RHSA-2026:1702 REPORThttps://access.redhat.com/security/cve/CVE-2025-66418 ARTICLEhttps://access.redhat.com/security/updates/classification/#important REPORThttps://bugzilla.redhat.com/show_bug.cgi?id=2419455 ARTICLEhttps://github.com/urllib3/urllib3/commit/24d7b67eac89f94e11003424bcf0d8f7b72222a8 ARTICLEhttps://github.com/urllib3/urllib3/security/advisories/GHSA-gm62-xv2j-4w53 ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2025-66418 ADVISORYhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1702.json ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-66418

CVSS Analysis

CVSS v3.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Upstream

CVE-2025-66418

Ecosystems

Red Hat rhel_aus 8.6 appstream Red Hat rhel_e4s 8.6 appstream Red Hat rhel_e4s 8.6 highavailability Red Hat rhel_tus 8.6 appstream Red Hat rhel_tus 8.6 highavailability

Timeline

PublishedFeb 3, 2026

ModifiedFeb 10, 2026