RHSA-2026:2519

Vulnerability from csaf_redhat - Published: 2026-02-11 09:37 - Updated: 2026-02-12 12:24
Summary
Red Hat Security Advisory: toolbox security update

Notes

Topic
An update for toolbox is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Toolbox is a tool for Linux operating systems, which allows the use of containerized command line environments. It is built on top of Podman and other standard container technologies from OCI. Security Fix(es): * github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload (CVE-2025-65637) 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.
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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      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2025-12-04T19:00:54.313916+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2418900"
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        {
          "category": "description",
          "text": "A denial-of-service vulnerability in github.com/sirupsen/logrus occurs when Entry.Writer() processes a single-line payload larger than 64KB with no newline characters. Due to a limitation in Go\u2019s internal bufio.Scanner, the read operation fails with a \u201ctoken too long\u201d error, causing the underlying writer pipe to close. In affected versions, this leaves the Writer interface unusable and can disrupt logging functionality, potentially degrading application availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is categorized as Moderate because its impact is limited to the logging subsystem and requires a specific, non-default usage pattern to trigger\u2014namely, sending a single unbounded line exceeding 64KB through Entry.Writer(). Most Logrus deployments do not expose this interface directly to attacker-controlled input, which raises the attack complexity and reduces realistic exploitability. Additionally, the flaw does not affect confidentiality or integrity, nor does it allow code execution or privilege escalation. The failure results in a controlled degradation of availability (logging becoming non-functional), rather than a broader application outage or systemic compromise. These constrained conditions and limited real-world impact justify treating the issue as moderate rather than important.",
          "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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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-65637"
        },
        {
          "category": "external",
          "summary": "RHBZ#2418900",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418900"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-65637",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-65637"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-65637",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-65637"
        },
        {
          "category": "external",
          "summary": "https://github.com/mjuanxd/logrus-dos-poc",
          "url": "https://github.com/mjuanxd/logrus-dos-poc"
        },
        {
          "category": "external",
          "summary": "https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md",
          "url": "https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md"
        },
        {
          "category": "external",
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          "url": "https://github.com/sirupsen/logrus/issues/1370"
        },
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          "category": "external",
          "summary": "https://github.com/sirupsen/logrus/pull/1376",
          "url": "https://github.com/sirupsen/logrus/pull/1376"
        },
        {
          "category": "external",
          "summary": "https://github.com/sirupsen/logrus/releases/tag/v1.8.3",
          "url": "https://github.com/sirupsen/logrus/releases/tag/v1.8.3"
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        {
          "category": "external",
          "summary": "https://github.com/sirupsen/logrus/releases/tag/v1.9.1",
          "url": "https://github.com/sirupsen/logrus/releases/tag/v1.9.1"
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          "category": "external",
          "summary": "https://github.com/sirupsen/logrus/releases/tag/v1.9.3",
          "url": "https://github.com/sirupsen/logrus/releases/tag/v1.9.3"
        },
        {
          "category": "external",
          "summary": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSIRUPSENLOGRUS-5564391",
          "url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSIRUPSENLOGRUS-5564391"
        }
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      "release_date": "2025-12-04T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2026-02-11T09:37:40+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "github.com/sirupsen/logrus: github.com/sirupsen/logrus: Denial-of-Service due to large single-line payload"
    }
  ]
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.