OSV-2022-493 Segv on unknown address in jxl::N_AVX2::XYBStage<jxl::N_AVX2::PerChannelOp<jxl::N_AVX2::Op709> >::ProcessRo
A segmentation fault in the JPEG XL library's AVX2 rendering pipeline can cause a denial of service when processing malicious images.
- 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-2022-493?
OSV-2022-493 is a memory corruption vulnerability in libvips, published on 21 Jun 2022. 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=48132
Crash type: Segv on unknown address
Crash state:
jxl::N_AVX2::XYBStage<jxl::N_AVX2::PerChannelOp<jxl::N_AVX2::Op709> >::ProcessRo
jxl::LowMemoryRenderPipeline::RenderRect
jxl::LowMemoryRenderPipeline::ProcessBuffers
Which versions are affected by OSV-2022-493?
1 open source package ship an affected version, including libvips.
| Package | Affected | Fixed in |
|---|---|---|
libvips OSS-Fuzz | All versions | None |
How do I fix OSV-2022-493?
No fix has been published for OSV-2022-493 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-2022-493 being exploited?
There is no known exploitation of OSV-2022-493 in the wild and no public exploit code.