CVE-2021-39542 Null dereference in n/a
A NULL pointer dereference in the pdftools library allows attackers to cause a denial of service via crafted input.
- 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-2021-39542?
CVE-2021-39542 is a medium-severity vulnerability in n/a, published on 20 Sep 2021. 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
An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function Font::Size() located in font.cpp. It allows an attacker to cause Denial of Service.
Weakness: CWE-476
Which versions are affected by CVE-2021-39542?
It affects 1 product.
Products include Pdftools Project Pdftools.
How do I fix CVE-2021-39542?
No fix has been published for CVE-2021-39542 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-39542 being exploited?
There is no known exploitation of CVE-2021-39542 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-86c3-4264-rwhv.