CVE-2021-36080: Double Free
First published: Thu Jul 01 2021(Updated: )
GNU LibreDWG 0.12.3.4163 through 0.12.3.4191 has a double-free in bit_chain_free (called from dwg_encode_MTEXT and dwg_encode_add_object).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GNU LibreDWG | >=0.12.3.4163<=0.12.3.4191 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-36080.
What is the severity of CVE-2021-36080?
The severity of CVE-2021-36080 is high (8.8).
Which software versions are affected by CVE-2021-36080?
GNU LibreDWG versions 0.12.3.4163 through 0.12.3.4191 are affected.
How can the vulnerability CVE-2021-36080 be exploited?
The vulnerability can be exploited through the double-free in bit_chain_free function called from dwg_encode_MTEXT and dwg_encode_add_object.
Is there a fix or patch available for CVE-2021-36080?
Yes, a fix for CVE-2021-36080 is available. It can be found in the commit 9b6e0ff9ef02818df034fc42c3bd149a5ff89342 on the LibreDWG GitHub repository.
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