CLSA-2026-1784110349 Fix CVE(s): CVE-2026-20213, CVE-2026-20214, CVE-2026-20244

SECURITY UPDATE: Out-of-bounds write in the PE rebuilder via crafted Aspack files - debian/patches/CVE-2026-20213.patch: sum rebuilt section sizes in a 64-bit accumulator and reject allocations larger than CLIMAXALLOCATION in libclamav/rebuildpe.c - CVE-2026-20213 SECURITY UPDATE: Out-of-bounds...