CVE-2020-27790: Divide by Zero
First published: Thu Aug 18 2022(Updated: )
A floating point exception issue was discovered in UPX in PackLinuxElf64::invert_pt_dynamic() function of p_lx_elf.cpp file. An attacker with a crafted input file could trigger this issue that could cause a crash leading to a denial of service. The highest impact is to Availability.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UPX | <3.96 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2020-27790.
What is the title of the vulnerability?
The title of the vulnerability is 'A floating point exception issue in UPX in PackLinuxElf64::invert_pt_dynamic() function.'
What is the impact of CVE-2020-27790?
The highest impact of CVE-2020-27790 is to Availability.
How can CVE-2020-27790 be triggered?
CVE-2020-27790 can be triggered by an attacker with a crafted input file.
How can CVE-2020-27790 be fixed?
To fix CVE-2020-27790, update UPX to version 3.96 or later.
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