CVE-2019-20633
5.5
MEDIUM
CVSS 3.1
EPSS 0.11%
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.
How to fix CVE-2019-20633
To remediate CVE-2019-20633, upgrade the affected package to a fixed version below.
- Alpine/patch—upgrade to 2.7.6-r7 or later
Is CVE-2019-20633 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.7.6-r7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |