CVE-2026-18495: Red Hat Hardened Images (exact versions not specified); +10 more affected products

Affected technology

Red Hat Hardened Images · Exact affected versions not specified by the source
Red Hat

Red Hat Ceph Storage 4 · Exact affected versions not specified by the source
Red Hat

Red Hat Ceph Storage 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Ceph Storage 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Ceph Storage 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Ceph Storage 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · User interaction required

What an attacker can do

An attacker can provide a specially crafted BigTIFF file, causing a 64-bit `StripByteCounts` value to be truncated to a 32-bit integer. Vendor/CNA’s CVSS 3.1 assessment (base score 6.1/10) rates confidentiality and integrity impact as low; availability impact as high.