View at Official debian advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2025-48172 unimportant priority: Debian including 1 source packages (chmlib), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
CHMLib through 2bef8d0, as used in SumatraPDF and other products, has a chm_lib.c _chm_decompress_block integer overflow. There is a resultant heap-based buffer overflow in _chm_fetch_bytes.