alsa-2026:1903
Vulnerability from osv_almalinux
Published
2026-02-04 00:00
Modified
2026-02-10 08:31
Summary
Important: fence-agents security update
Details
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):
- pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID (CVE-2026-23490)
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.
{
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"name": "fence-agents-aliyun"
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{
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},
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"name": "fence-agents-sbd"
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"name": "fence-agents-vmware-rest"
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"name": "fence-virtd"
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},
{
"package": {
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"name": "fence-virtd-multicast"
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},
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"name": "fence-virtd-serial"
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]
},
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "fence-virtd-tcp"
},
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},
{
"package": {
"ecosystem": "AlmaLinux:9",
"name": "ha-cloud-support"
},
"ranges": [
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],
"details": "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. \n\nSecurity Fix(es): \n\n * pyasn1: pyasn1: Denial of Service due to memory exhaustion from malformed RELATIVE-OID (CVE-2026-23490)\n\n\nFor 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.\n",
"id": "ALSA-2026:1903",
"modified": "2026-02-10T08:31:08Z",
"published": "2026-02-04T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:1903"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-23490"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2430472"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2026-1903.html"
}
],
"related": [
"CVE-2026-23490"
],
"summary": "Important: fence-agents security update"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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