CVE-2021-36691 Denial of service in n/a
An attacker can cause a denial of service by providing a malicious GIF file to the JPEG XL encoder, triggering an assertion failure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36691?
CVE-2021-36691 is a high-severity denial of service vulnerability in n/a, published on 30 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.
Weakness: CWE-617
Which versions are affected by CVE-2021-36691?
It affects 1 product.
Products include Libjxl Project Libjxl.
How do I fix CVE-2021-36691?
No fix has been published for CVE-2021-36691 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-36691 being exploited?
There is no known exploitation of CVE-2021-36691 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-36691, GHSA-fg2p-g438-rjr4, UBUNTU-CVE-2021-36691.