CVE-2021-30500
High
Description
Null pointer dereference was found in upx PackLinuxElf::canUnpack() in p_lx_elf.cpp,in version UPX 4.0.0. That allow attackers to execute arbitrary code and cause a denial of service via a crafted file.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Upx
PublishedMay 27, 2021
First seenMay 27, 2021
Weakness typeCWE-476NULL pointer dereference
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| upx upx | 4.0.0 | — |
| redhat enterprise_linux | 7.0 | — |
| fedoraproject fedora | 33 | — |
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