UBUNTU-CVE-2025-48172

CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chmlib.c chmdecompressblock integer overflow. There is a resultant heap-based buffer overflow in chmfetchbytes...

CVE-2007-1745

The chmdecompressstream function in libclamav/chmunpack.c in Clam AntiVirus ClamAV before 0.90.2 leaks file descriptors, which has unknown impact and attack vectors involving a crafted CHM file, a different vulnerability than CVE-2007-0897. NOTE: some of these details are obtained from third part...