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🛡️ ALSA-2026:1239 — fence-agents-aliyun (CVE-2025-66418 +2 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Important: fence-agents security update

The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable nodes to be forcibly restarted and removed from the cluster.

Security Fix(es):

  • urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion (CVE-2025-66418)
  • urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471)
  • urllib3: urllib3 vulnerable to decompression-bomb safeguard bypass when following HTTP redirects (streaming API) (CVE-2026-21441)

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.

Affected software

ALSA-2026:1239 is recorded against 56 packages.

  • fence-agents-aliyun (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-all (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-amt-ws (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-apc (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-apc-snmp (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-aws (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-azure-arm (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-bladecenter (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-brocade (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-cisco-mds (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-cisco-ucs (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-common (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-compute (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-drac5 (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-eaton-snmp (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-emerson (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-eps (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-gce (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-heuristics-ping (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-hpblade (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ibm-powervs (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ibm-vpc (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ibmblade (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ifmib (fixed in 4.10.0-98.el9_7.4)
Show the remaining 32 packages
  • fence-agents-ilo-moonshot (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ilo-mp (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ilo-ssh (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ilo2 (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-intelmodular (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ipdu (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-ipmilan (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-kdump (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-kubevirt (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-lpar (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-mpath (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-nutanix-ahv (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-openstack (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-redfish (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-rhevm (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-rsa (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-rsb (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-sbd (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-scsi (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-virsh (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-vmware-rest (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-vmware-soap (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-wti (fixed in 4.10.0-98.el9_7.4)
  • fence-agents-zvm (fixed in 4.10.0-98.el9_7.4)
  • fence-virt (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd-cpg (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd-libvirt (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd-multicast (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd-serial (fixed in 4.10.0-98.el9_7.4)
  • fence-virtd-tcp (fixed in 4.10.0-98.el9_7.4)
  • ha-cloud-support (fixed in 4.10.0-98.el9_7.4)

Timeline and source

Published on 26 January 2026 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

access.redhat.com (Advisory)
access.redhat.com (Report)
access.redhat.com (Report)
access.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)
errata.almalinux.org (Advisory)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-01-26
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
fence-agents-aliyun 4.10.0-98.el9_7.4
fence-agents-all 4.10.0-98.el9_7.4
fence-agents-amt-ws 4.10.0-98.el9_7.4
fence-agents-apc 4.10.0-98.el9_7.4
fence-agents-apc-snmp 4.10.0-98.el9_7.4
fence-agents-aws 4.10.0-98.el9_7.4
fence-agents-azure-arm 4.10.0-98.el9_7.4
fence-agents-bladecenter 4.10.0-98.el9_7.4
fence-agents-brocade 4.10.0-98.el9_7.4
fence-agents-cisco-mds 4.10.0-98.el9_7.4
fence-agents-cisco-ucs 4.10.0-98.el9_7.4
fence-agents-common 4.10.0-98.el9_7.4
fence-agents-compute 4.10.0-98.el9_7.4
fence-agents-drac5 4.10.0-98.el9_7.4
fence-agents-eaton-snmp 4.10.0-98.el9_7.4
fence-agents-emerson 4.10.0-98.el9_7.4
fence-agents-eps 4.10.0-98.el9_7.4
fence-agents-gce 4.10.0-98.el9_7.4
fence-agents-heuristics-ping 4.10.0-98.el9_7.4
fence-agents-hpblade 4.10.0-98.el9_7.4
fence-agents-ibm-powervs 4.10.0-98.el9_7.4
fence-agents-ibm-vpc 4.10.0-98.el9_7.4
fence-agents-ibmblade 4.10.0-98.el9_7.4
fence-agents-ifmib 4.10.0-98.el9_7.4
fence-agents-ilo-moonshot 4.10.0-98.el9_7.4
fence-agents-ilo-mp 4.10.0-98.el9_7.4
fence-agents-ilo-ssh 4.10.0-98.el9_7.4
fence-agents-ilo2 4.10.0-98.el9_7.4
fence-agents-intelmodular 4.10.0-98.el9_7.4
fence-agents-ipdu 4.10.0-98.el9_7.4
fence-agents-ipmilan 4.10.0-98.el9_7.4
fence-agents-kdump 4.10.0-98.el9_7.4
fence-agents-kubevirt 4.10.0-98.el9_7.4
fence-agents-lpar 4.10.0-98.el9_7.4
fence-agents-mpath 4.10.0-98.el9_7.4
fence-agents-nutanix-ahv 4.10.0-98.el9_7.4
fence-agents-openstack 4.10.0-98.el9_7.4
fence-agents-redfish 4.10.0-98.el9_7.4
fence-agents-rhevm 4.10.0-98.el9_7.4
fence-agents-rsa 4.10.0-98.el9_7.4
fence-agents-rsb 4.10.0-98.el9_7.4
fence-agents-sbd 4.10.0-98.el9_7.4
fence-agents-scsi 4.10.0-98.el9_7.4
fence-agents-virsh 4.10.0-98.el9_7.4
fence-agents-vmware-rest 4.10.0-98.el9_7.4
fence-agents-vmware-soap 4.10.0-98.el9_7.4
fence-agents-wti 4.10.0-98.el9_7.4
fence-agents-zvm 4.10.0-98.el9_7.4
fence-virt 4.10.0-98.el9_7.4
fence-virtd 4.10.0-98.el9_7.4
fence-virtd-cpg 4.10.0-98.el9_7.4
fence-virtd-libvirt 4.10.0-98.el9_7.4
fence-virtd-multicast 4.10.0-98.el9_7.4
fence-virtd-serial 4.10.0-98.el9_7.4
fence-virtd-tcp 4.10.0-98.el9_7.4
ha-cloud-support 4.10.0-98.el9_7.4

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