Red Hat Security Advisory: Red Hat build of MicroShift 4.17.49 security update

Fixed packages 10

Vulnerabilities 1

• High 7.5
  CVE-2025-65637 Public exploit

  Logrus is vulnerable to DoS when using Entry.Writer()

  A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. Due to limitations in the internal bufio.Scanner, the read fails with "token too long" a…

  kube-fluentd-operator cri-o podman kubeflow-profile-controller Debian Ubuntu Azure Linux Wolfi Go
  Dec 4, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2418900
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2746.json
• report
  https://access.redhat.com/security/cve/CVE-2025-65637
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-65637
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-65637
• article
  https://github.com/mjuanxd/logrus-dos-poc
• article
  https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md
• article
  https://github.com/sirupsen/logrus/issues/1370
• article
  https://github.com/sirupsen/logrus/pull/1376
• article
  https://github.com/sirupsen/logrus/releases/tag/v1.8.3
• article
  https://github.com/sirupsen/logrus/releases/tag/v1.9.1
• article
  https://github.com/sirupsen/logrus/releases/tag/v1.9.3
• article
  https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSIRUPSENLOGRUS-5564391