CVE-2022-33027 Use after free in n/a
A heap-use-after-free 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
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-33027?
CVE-2022-33027 is a high-severity use after free vulnerability in Gnu Libredwg, published on 22 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
LibreDWG v0.12.4.4608 was discovered to contain a heap-use-after-free via the function dwg_add_handleref at dwg.c.
Weakness: CWE-416
Which versions are affected by CVE-2022-33027?
It affects 1 product.
Products include Gnu Libredwg.
How do I fix CVE-2022-33027?
No fix has been published for CVE-2022-33027 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-33027 being exploited?
There is no known exploitation of CVE-2022-33027 in the wild and no public exploit code.
Other vulnerabilities in Gnu Libredwg
Sources
Also known as GHSA-7c62-jm8f-5c2w.