CVE-2020-21835 Null dereference in n/a
A null pointer dereference in GNU LibreDWG allows attackers to cause a denial of service via a crafted DWG file.
- 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-2020-21835?
CVE-2020-21835 is a medium-severity 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
A null pointer deference issue exists in GNU LibreDWG 0.10 via read_2004_compressed_section ../../src/decode.c:2337.
Weakness: CWE-476
Which versions are affected by CVE-2020-21835?
It affects 1 product.
Products include Gnu Libredwg.
How do I fix CVE-2020-21835?
No fix has been published for CVE-2020-21835 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-21835 being exploited?
There is no known exploitation of CVE-2020-21835 in the wild and no public exploit code.
Other vulnerabilities in Gnu Libredwg
Sources
Also known as GHSA-2rmc-f234-xhg3.