CVE-2021-39540 Memory corruption in n/a
A stack-buffer-overflow in the pdftools library allows attackers to execute arbitrary code via crafted PDF 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-2021-39540?
CVE-2021-39540 is a high-severity memory corruption 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 stack-buffer-overflow exists in the function Analyze::AnalyzePages() located in analyze.cpp. It allows an attacker to cause code Execution.
Weakness: CWE-787
Which versions are affected by CVE-2021-39540?
It affects 1 product.
Products include Pdftools Project Pdftools.
How do I fix CVE-2021-39540?
No fix has been published for CVE-2021-39540 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-2021-39540 being exploited?
There is no known exploitation of CVE-2021-39540 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r9wv-hpvc-6wj6.