RHSA-2026:37396MediumCVSS 5.0

Red Hat Security Advisory: compat-glibc security update

Published
July 9, 2026
Last Modified
July 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-5450 →

📋 Description

CVE-2026-5450 — glibc: glibc: Heap Buffer Overflow in scanf with %mc format specifier and large width

🎯 Affected products8

  • Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-1:2.12-4.el7_9.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-1:2.12-4.el7_9.1.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-1:2.12-4.el7_9.1.src as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-1:2.12-4.el7_9.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-headers-1:2.12-4.el7_9.1.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-headers-1:2.12-4.el7_9.1.s390x as a component of Red Hat Enterprise Linux Server (v. 7 ELS)
  • compat-glibc-headers-1:2.12-4.el7_9.1.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7 ELS)

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (4)