OSV-2021-1597 UNKNOWN READ in void jxl::CopyImageTo<int>
An attacker can cause a denial of service via an unknown read vulnerability in the JPEG XL image decoding library.
- 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-2021-1597?
OSV-2021-1597 is a memory corruption vulnerability in libvips, published on 21 Nov 2021. 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=41217
Crash type: UNKNOWN READ
Crash state:
void jxl::CopyImageTo<int>
jxl::ModularFrameDecoder::DecodeGroup
jxl::FrameDecoder::ProcessACGroup
Which versions are affected by OSV-2021-1597?
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-2021-1597?
No fix has been published for OSV-2021-1597 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-2021-1597 being exploited?
There is no known exploitation of OSV-2021-1597 in the wild and no public exploit code.