CVE-2019-20633

Public Exploit

Description

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://savannah.gnu.org/bugs/index.php?56683 exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20633?
CVE-2019-20633 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20633?
To fix CVE-2019-20633, 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-2019-20633 being actively exploited in the wild?
It is possible that CVE-2019-20633 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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