CVE-2021-30500: 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…

PriorityP433high7.8CVSS 3.1

AVLACLPRNUIRSUCHIHAH

EPSS

1.23%

65.2th percentile

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.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
debian	upx-ucl	< upx-ucl 4.2.2-1 (forky)	upx-ucl 4.2.2-1 (forky)
fedoraproject	fedora	—	—
redhat	enterprise_linux	—	—
upx	upx	—	—
upx	upx	—	—

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv7.8HIGH

vendor_debian7.8LOW

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