OSV-2024-503 Heap-buffer-overflow in pdf_save_viewer_state
A heap buffer overflow in the PDF viewer state saving function allows attackers to execute arbitrary code or cause denial of service via malicious PDFs.
- 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 OSV-2024-503?
OSV-2024-503 is a memory corruption vulnerability in ghostscript, published on 24 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
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=69157
Crash type: Heap-buffer-overflow WRITE 8
Crash state:
pdf_save_viewer_state
stream_to_text
pdf_open_page
Which versions are affected by OSV-2024-503?
1 open source package ship an affected version, including ghostscript.
| Package | Affected | Fixed in |
|---|---|---|
ghostscript OSS-Fuzz | All versions | None |
How do I fix OSV-2024-503?
No fix has been published for OSV-2024-503 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 OSV-2024-503 being exploited?
There is no known exploitation of OSV-2024-503 in the wild and no public exploit code.