CVE-2020-21839 Denial of service in n/a
Crafted DWG files cause a memory leak in GNU LibreDWG, potentially leading to resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-21839?
CVE-2020-21839 is a medium-severity denial of service vulnerability in Gnu Libredwg, published on 17 May 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in GNU LibreDWG 0.10. Crafted input will lead to an memory leak in dwg_decode_eed ../../src/decode.c:3638.
Weakness: CWE-401
Which versions are affected by CVE-2020-21839?
It affects 1 product.
Products include Gnu Libredwg.
How do I fix CVE-2020-21839?
No fix has been published for CVE-2020-21839 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-21839 being exploited?
There is no known exploitation of CVE-2020-21839 in the wild and no public exploit code.
Other vulnerabilities in Gnu Libredwg
Sources
Also known as GHSA-j6c4-9599-77v8.