Vulnerability Details CVE-2019-20633
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.5%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.3
Products affected by CVE-2019-20633
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cpe:2.3:a:gnu:patch:2.5.4
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cpe:2.3:a:gnu:patch:2.5.9
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cpe:2.3:a:gnu:patch:2.6.1
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cpe:2.3:a:gnu:patch:2.7.1
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cpe:2.3:a:gnu:patch:2.7.2
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cpe:2.3:a:gnu:patch:2.7.3
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cpe:2.3:a:gnu:patch:2.7.4
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cpe:2.3:a:gnu:patch:2.7.5
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cpe:2.3:a:gnu:patch:2.7.6