CVE-2026-58304 Memory corruption in Escargot
Out-of-bounds read and write in the Escargot JavaScript engine allow attackers to cause memory corruption, potentially leading to code execution or crashes.
- 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-2026-58304?
CVE-2026-58304 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
Out-of-bounds read, Out-of-bounds write vulnerability in Samsung Open Source Escargot allows Overflow Buffers.
This issue affects Escargot: before 779f6bedf58f334dec64b0a51ebb724b4708b84a.
Which versions are affected by CVE-2026-58304?
How do I fix CVE-2026-58304?
No fix has been published for CVE-2026-58304 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-2026-58304 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58304 exists.
Sources
Also known as GHSA-2f23-fgrf-4r2h.