An issue found in Jsish v.3.0.11 and before allows an attacker to cause a denial of service via the StringReplaceCmd function in the src/jsiChar.c file.
Stack overflow vulnerability in function jsi_evalcode_sub in jsish before 3.0.18, allows remote attackers to cause a Denial of Service via a crafted value to the execute parameter.
Jsish version 2.4.65 contains a CWE-476: NULL Pointer Dereference vulnerability in Function jsi_ValueCopyMove from jsiValue.c:240 that can result in Crash due to segmentation fault. This attack appear to be exploitable via a crafted javascript code. This vulnerability appears to have been fixed in 2.4.67.