CVE-2026-58381 describes a double-free condition in the read_layer_block() function of GIMP's PSP file format parser within Red Hat Enterprise Linux 6. When a specially crafted PSP file is processed, this flaw can cause memory corruption. The impact includes potential denial of service or arbitrary code execution. The CVSS 3.1 vector indicates the attack requires local access with low complexity and privileges, and user interaction is needed. Confidentiality and integrity impacts are low, but availability impact is high. No vendor advisory details on remediation or patch availability are provided in the input data.

Successful exploitation can cause memory corruption leading to denial of service or arbitrary code execution on affected systems running Red Hat Enterprise Linux 6. The attack requires local access with low privileges and user interaction. Confidentiality and integrity impacts are limited, but availability can be severely affected.

Patch status is not yet confirmed — check the vendor advisory at https://access.redhat.com/security/cve/CVE-2026-58381 for current remediation guidance. No official fix or workaround information is provided in the available data. Until a patch is available, avoid processing untrusted PSP files with GIMP on affected systems.