Red Hat Security Advisory: shim security update

CVE-2023-40546 — shim: Out-of-bounds read printing error messages CVE-2023-40547 — shim: RCE in http boot support may lead to Secure Boot bypass CVE-2023-40548 — shim: Interger overflow leads to heap buffer overflow in verify_sbat_section on 32-bits systems CVE-2023-40549 — shim: Out-of-bounds read in verify_buffer_authenticode() malformed PE file CVE-2023-40550 — shim: Out-of-bound read in verify_buffer_sbat() CVE-2023-40551 — shim: out of bounds read when parsing MZ binaries