CVE-2020-21840

Public Exploit

Description

A heap based buffer overflow vulnerability exits in GNU LibreDWG 0.10 via bit_search_sentinel ../../src/bits.c:1985.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.50%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://gnu.com not applicable
http://libredwg.com broken link
https://github.com/LibreDWG/libredwg/issues/188#issuecomment-574493513 patch exploit third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2020-21840?
CVE-2020-21840 has been scored as a high severity vulnerability.
How to fix CVE-2020-21840?
To fix CVE-2020-21840, 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-2020-21840 being actively exploited in the wild?
It is possible that CVE-2020-21840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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