CVE-2021-30501
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.0%
exploitation probability
1.0%top 37% of all CVEs
observed exploitation
nono source reports it
An assertion abort was found in upx MemBuffer::alloc() in mem.cpp, in version UPX 4.0.0. The flow allows attackers to cause a denial of service (abort) via a crafted file.
Affected products
n/a · upx