CVE-2020-26535 Memory corruption in n/a
A memory corruption vulnerability in Foxit Reader allows attackers to cause a write access violation, potentially leading to code execution or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26535?
CVE-2020-26535 is a critical memory corruption vulnerability in Foxitsoftware Foxit Reader, published on 2 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Foxit Reader and PhantomPDF before 10.1. If TslAlloc attempts to allocate thread local storage but obtains an unacceptable index value, V8 throws an exception that leads to a write access violation (and read access violation).
Weakness: CWE-787
Which versions are affected by CVE-2020-26535?
It affects 2 products.
Products include Foxitsoftware Foxit Reader, Foxitsoftware Phantompdf.
How do I fix CVE-2020-26535?
No fix has been published for CVE-2020-26535 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-2020-26535 being exploited?
There is no known exploitation of CVE-2020-26535 in the wild and no public exploit code.
Other vulnerabilities in Foxitsoftware Foxit Reader
Sources
Also known as GHSA-j4q4-v7ww-5hxm.