KMPlayer 4.2.2.4 allows remote attackers to cause a denial of service via a crafted NSV file.

Heap-based buffer overflow in KMPlayer 3.0.0.1441, and possibly other versions, allows remote attackers to execute arbitrary code via a playlist (.KPL) file with a long Title field.

Untrusted search path vulnerability in KMPlayer 3.2.0.19 allows local users to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse ehtrace.dll that is located in the current working directory.

KMPlayer Subtitles parser Heap Overflow Vulnerability

When processing subtitles format media file, KMPlayer version 2018.12.24.14 or lower doesn't check object size correctly, which leads to integer underflow then to memory out-of-bound read/write. An attacker can exploit this issue by enticing an unsuspecting user to open a malicious file.

KMPlayer 4.2.2.31 allows a User Mode Write AV starting at utils!src_new+0x000000000014d6ee.