RHSA-2026:88561HighCVSS 8.1

Red Hat Security Advisory: php security update

Published
October 23, 2026
Last Modified
October 23, 2026

🔗 CVE IDs covered (2)

CVE-2026-109618 →CVE-2026-109619 →

📋 Description

CVE-2026-109618 — php: OOM bailout during request parsing leads to memory corruption and RCE CVE-2026-109619 — php: fatal error handling retains stale request state leading to use-after-free

🎯 Affected products200

  • Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-0:8.3.19-1.el10_0.2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-debuginfo-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-debuginfo-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-debuginfo-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-bcmath-debuginfo-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-debuginfo-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-debuginfo-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-debuginfo-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-cli-debuginfo-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-debuginfo-0:8.3.19-1.el10_0.2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-debuginfo-0:8.3.19-1.el10_0.2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-debuginfo-0:8.3.19-1.el10_0.2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • php-common-debuginfo-0:8.3.19-1.el10_0.2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)
  • +170 more not shown

✅ 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: See the security bulletin for a detailed mitigation procedure.

🔗 References (5)