CVE-2021-42614

Public Exploit

Description

A use after free in info_width_internal in bk_info.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted text document.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory fedoraproject.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://carteryagemann.com/halibut-case-study.html#poc-halibut-info-uaf third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CC7UZ7NRXDA7YSCSGWE2CBQM7OZS3K2R/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-42614?
CVE-2021-42614 has been scored as a high severity vulnerability.
How to fix CVE-2021-42614?
To fix CVE-2021-42614, 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-2021-42614 being actively exploited in the wild?
It is possible that CVE-2021-42614 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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