CLSA-2025-1761074965 jasper: Fix of CVE-2025-8836

CVE-2025-8836: fix manipulation in function jpcfloorlog2 to prevent reachable assertion...

CVE-2025-8836 JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion

A vulnerability was determined in JasPer up to 4.2.5. Affected by this issue is the function jpcfloorlog2 of the file src/libjasper/jpc/jpcenc.c of the component JPEG2000 Encoder. The manipulation leads to reachable assertion. The attack needs to be approached locally. The exploit has been...