OSV-2025-17 Heap-buffer-overflow in cv::PngDecoder::readHeader
A heap buffer overflow in OpenCV's PNG decoder allows attackers to cause a denial of service by providing a malicious image file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2025-17?
OSV-2025-17 is a memory corruption vulnerability in opencv, published on 8 Jan 2025. An attacker can exploit it over the internet without logging in, 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=387626408
Crash type: Heap-buffer-overflow READ 2
Crash state:
cv::PngDecoder::readHeader
cv::imdecode_
cv::imdecode
Which versions are affected by OSV-2025-17?
1 open source package ship an affected version, including opencv.
| Package | Affected | Fixed in |
|---|---|---|
opencv OSS-Fuzz | All versions | None |
How do I fix OSV-2025-17?
No fix has been published for OSV-2025-17 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-2025-17 being exploited?
There is no known exploitation of OSV-2025-17 in the wild and no public exploit code.