CVE-2021-45950 Memory corruption in n/a
An out-of-bounds write 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-2021-45950?
CVE-2021-45950 is a medium-severity memory corruption vulnerability in Gnu Libredwg, published on 31 Dec 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
LibreDWG 0.12.4.4313 through 0.12.4.4367 has an out-of-bounds write in dwg_free_BLOCK_private (called from dwg_free_BLOCK and dwg_free_object).
Weakness: CWE-787
Which versions are affected by CVE-2021-45950?
It affects 1 product.
Products include Gnu Libredwg.
How do I fix CVE-2021-45950?
No fix has been published for CVE-2021-45950 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-2021-45950 being exploited?
There is no known exploitation of CVE-2021-45950 in the wild and no public exploit code.
Other vulnerabilities in Gnu Libredwg
Sources
Also known as GHSA-x4cp-hqhf-j5rh.