OSV-2025-51 Heap-buffer-overflow in std::__1::__function::__func<cv::PngDecoder::compose_frame

Not scored Published

A heap-buffer-overflow in OpenCV's PNG decoder allows attackers to cause crashes or potentially execute code via malicious images.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Not stated
Victim action needed
Not needed
Fix
None listed

What is OSV-2025-51?

OSV-2025-51 is a memory corruption vulnerability in opencv, published on 22 Jan 2025.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=390788198

Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
std::__1::__function::__func&lt;cv::PngDecoder::compose_frame
cv::ParallelLoopBodyWrapper::operator
cv::ThreadPool::run

Which versions are affected by OSV-2025-51?

1 open source package ship an affected version, including opencv.

PackageAffectedFixed in
opencv OSS-FuzzAll versionsNone

How do I fix OSV-2025-51?

No fix has been published for OSV-2025-51 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-2025-51 being exploited?

There is no known exploitation of OSV-2025-51 in the wild and no public exploit code.

Sources

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