CVE-2026-58305 Memory corruption in Escargot
A type confusion vulnerability in the Escargot JavaScript engine allows attackers to manipulate pointers, potentially leading to arbitrary code execution.
- 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-2026-58305?
CVE-2026-58305 is a medium-severity memory corruption vulnerability in Samsung Open Source Escargot, published on 9 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
Access of resource using incompatible type ('type confusion') vulnerability in Samsung Open Source Escargot allows Pointer Manipulation.
This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.
Weakness: CWE-843
Which versions are affected by CVE-2026-58305?
How do I fix CVE-2026-58305?
No fix has been published for CVE-2026-58305 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-2026-58305 being exploited?
There is no known exploitation of CVE-2026-58305 in the wild and no public exploit code.
Sources
Also known as GHSA-f5pv-4r42-w7j4.