CVE-2021-39519

Public Exploit

Description

An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PullQData() located in blockbitmaprequester.cpp It allows an attacker to cause Denial of Service.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.24%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/thorfdbg/libjpeg/issues/28 issue tracking patch exploit third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-39519?
CVE-2021-39519 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39519?
To fix CVE-2021-39519, 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-2021-39519 being actively exploited in the wild?
It is possible that CVE-2021-39519 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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