OSV-2020-1570 Heap-buffer-overflow in x265::PicYuv::copyFromPicture

Not scored Published

A heap-buffer-overflow in the x265 video encoder library allows attackers to cause denial of service or potentially execute code via crafted input.

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

What is OSV-2020-1570?

OSV-2020-1570 is a memory corruption vulnerability in libheif, published on 3 Aug 2020.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24590

Crash type: Heap-buffer-overflow READ {*}
Crash state:
x265::PicYuv::copyFromPicture
x265::Encoder::encode
x265_encoder_encode

Which versions are affected by OSV-2020-1570?

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

PackageAffectedFixed in
libheif OSS-FuzzAll versionsNone

How do I fix OSV-2020-1570?

No fix has been published for OSV-2020-1570 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-2020-1570 being exploited?

There is no known exploitation of OSV-2020-1570 in the wild and no public exploit code.

Sources

Is OSV-2020-1570 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free