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Vulnerability Intelligence

Vulnerability IntelligenceRHSA-2026:1906

RHSA-2026:1906

HIGH7.5

Red Hat Security Advisory: fence-agents security update

Published Feb 5, 2026

Modified 2 days ago

Fix available

Affected Packages(55 packages)

fence-agents

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-aliyun

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-aliyun-debuginfo

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-all

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-amt-ws

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-apc

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-apc-snmp

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-aws

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-azure-arm

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

fence-agents-azure-arm-debuginfo

RHEL 8RHEL 8RHEL 8

Fixed in:

0:4.2.1-129.el8_10.21

References

https://access.redhat.com/errata/RHSA-2026:1906

https://access.redhat.com/security/cve/CVE-2026-23490

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2430472

https://github.com/pyasn1/pyasn1/commit/3908f144229eed4df24bd569d16e5991ace44970

https://github.com/pyasn1/pyasn1/releases/tag/v0.6.2

https://github.com/pyasn1/pyasn1/security/advisories/GHSA-63vm-454h-vhhq

https://nvd.nist.gov/vuln/detail/CVE-2026-23490

https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1906.json

https://www.cve.org/CVERecord?id=CVE-2026-23490

CVSS Analysis

CVSS v3.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

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

Ecosystems

RHEL 8 RHEL 8 RHEL 8

Timeline

PublishedFeb 5, 2026

ModifiedMar 13, 2026

RHSA-2026:1906 | Mondoo Vulnerability Intelligence