CVE-2021-43312: Buffer Overflow
First published: Fri Mar 24 2023(Updated: )
A heap-based buffer overflow was discovered in upx, during the variable 'bucket' points to an inaccessible address. The issue is being triggered in the function PackLinuxElf64::invert_pt_dynamic at p_lx_elf.cpp:5239.
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| UPX | <4.0.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-43312.
What is the severity of CVE-2021-43312?
The severity of CVE-2021-43312 is high, with a severity score of 7.5.
Which software is affected by CVE-2021-43312?
The software affected by CVE-2021-43312 is Upx Project Upx, version up to 4.0.0.
What is the description of CVE-2021-43312?
CVE-2021-43312 is a heap-based buffer overflow vulnerability discovered in upx, which triggers an issue in the PackLinuxElf64::invert_pt_dynamic function.
Where can I find more information about CVE-2021-43312?
You can find more information about CVE-2021-43312 at the following reference link: https://github.com/upx/upx/issues/379
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