CVE-2021-30500

Published: August 31, 2023Last modified: August 31, 2023

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.

Severity score breakdown

Parameter	Value
Base score	7.8
Attack Vector	LOCAL
Attack complexity	LOW
Privileges required	NONE
User interaction	REQUIRED
Scope	UNCHANGED
Confidentiality	HIGH
Integrity impact	HIGH
Availability impact	HIGH
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Status

Product	Release	Package	Status
Alpaquita Linux	23 LTS	upx	Not affected (4.0.2-r0)
Alpaquita Linux	Stream	upx	Not affected (4.1.0-r0)

References

How to Fix Liberica NIK Not Starting on macOS Catalina and Later

If you use macOS Catalina and later you may encounter the issue that prevents Liberica NIK from starting. To fix it, run the following:

sudo xattr -r -d com.apple.quarantine path/to/graalvm/folder/

If you need more help, check out the FAQ at the bottom of this page or contact us.