CVE-2021-28848

Description

Mintty before 3.4.5 allows remote servers to cause a denial of service (Windows GUI hang) by telling the Mintty window to change its title repeatedly at high speed, which results in many SetWindowTextA or SetWindowTextW calls. In other words, it does not implement a usleep or similar delay upon processing a title change.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Vendor Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://mintty.github.io/ vendor advisory
https://github.com/mintty/mintty/commit/bd52109993440b6996760aaccb66e68e782762b9 third party advisory patch
https://github.com/mintty/mintty/compare/3.4.4...3.4.5 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-28848?
CVE-2021-28848 has been scored as a high severity vulnerability.
How to fix CVE-2021-28848?
To fix CVE-2021-28848, 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-2021-28848 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-28848 is being actively exploited. 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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