CVE-2026-57255 Security vulnerability in Foxit PDF Editor/Reader — OOB Read via NaN-Bypass Clamp
An attacker can cause a denial of service in Foxit PDF Editor/Reader by crafting a PDF with a malformed color space function that triggers an out-of-bounds read.
- 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-2026-57255?
CVE-2026-57255 is a medium-severity memory corruption vulnerability in Foxit Pdf Editor, published on 8 Jul 2026. 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
The application opens a PDF containing an abnormal color space whose attributes reference a valid but semantically malformed function. The function's output is not validated; when subsequently read, it produces an illegal pointer that accesses an out-of-bounds region, crashing the application.
Weakness: CWE-125
Which versions are affected by CVE-2026-57255?
It affects 2 products.
Products include Foxit Pdf Editor, Foxit Pdf Reader.
How do I fix CVE-2026-57255?
No fix has been published for CVE-2026-57255 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-2026-57255 being exploited?
There is no known exploitation of CVE-2026-57255 in the wild and no public exploit code.
Other vulnerabilities in Foxit Pdf Editor
Sources
Also known as GHSA-v89h-gff2-h39j.