RHSA-2026:1049
Vulnerability from csaf_redhat - Published: 2026-01-22 21:04 - Updated: 2026-01-28 22:59Summary
Red Hat Security Advisory: Red Hat OpenShift Pipelines Release 1.21.0
Notes
Topic
The 1.21.0 GA release of Red Hat OpenShift Pipelines Operator..
For more details see [product documentation](https://docs.redhat.com/en/documentation/red_hat_openshift_pipelines).
Details
The 1.21.0 release of Red Hat OpenShift Pipelines Operator.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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}
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"text": "A flaw was found in Fulcio, a free-to-use certificate authority. This vulnerability allows a denial of service (DoS) due to excessive memory allocation when processing a malicious OpenID Connect (OIDC) identity token containing numerous period characters.",
"title": "Vulnerability description"
},
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"text": "github.com/sigstore/fulcio: Fulcio: Denial of Service via crafted OpenID Connect (OIDC) token",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability is rated Important for Red Hat as Fulcio, a certificate authority used for issuing code signing certificates, is susceptible to a denial of service when processing a specially crafted OpenID Connect (OIDC) token. This could lead to resource exhaustion and service unavailability in affected Red Hat products that utilize Fulcio.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"threats": [
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"category": "impact",
"details": "Important"
}
],
"title": "github.com/sigstore/fulcio: Fulcio: Denial of Service via crafted OpenID Connect (OIDC) token"
}
]
}
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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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