CVE-2021-39530 Memory corruption in n/a
A heap-based buffer overflow in LibreDWG allows attackers to execute arbitrary code or cause denial of service via crafted DWG files.
- 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-2021-39530?
CVE-2021-39530 is a high-severity memory corruption vulnerability in Gnu Libredwg, published on 20 Sep 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 libredwg through v0.10.1.3751. bit_wcs2nlen() in bits.c has a heap-based buffer overflow.
Weakness: CWE-787
Which versions are affected by CVE-2021-39530?
It affects 1 product.
Products include Gnu Libredwg.
How do I fix CVE-2021-39530?
No fix has been published for CVE-2021-39530 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-39530 being exploited?
There is no known exploitation of CVE-2021-39530 in the wild and no public exploit code.
Other vulnerabilities in Gnu Libredwg
Sources
Also known as GHSA-vpfp-r4p5-f5w5.