CVE-2021-36692

Public Exploit

Description

libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/libjxl/libjxl/issues/308 issue tracking exploit third party advisory
https://github.com/libjxl/libjxl/pull/313 third party advisory patch
https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-36692?
CVE-2021-36692 has been scored as a medium severity vulnerability.
How to fix CVE-2021-36692?
To fix CVE-2021-36692, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-36692 being actively exploited in the wild?
It is possible that CVE-2021-36692 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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