CVE-2024-33764 Memory corruption in n/a

Medium 5.5 Published 1 May 2024 Updated 13 Mar 2025

A stack overflow in lunasvg allows attackers to cause denial of service or potentially execute arbitrary code via crafted SVG 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-2024-33764?

CVE-2024-33764 is a medium-severity memory corruption vulnerability in n/a, published on 1 May 2024. 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

lunasvg v2.3.9 was discovered to contain a stack-overflow at lunasvg/source/element.h.

Weakness: CWE-787

Which versions are affected by CVE-2024-33764?

1 open source package ship an affected version, including lunasvg. It affects 1 product.

Package	Affected	Fixed in
`lunasvg` PyPI	All versions to `2.3.9`	None

Products include Sammycage Lunasvg.

How do I fix CVE-2024-33764?

No fix has been published for CVE-2024-33764 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-2024-33764 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-33764 exists.

Sources

Also known as GHSA-2w5m-pqcc-26xx, PYSEC-2024-282.