GNU patch through 2.7.6 contains a free(pline[pend]) 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.
{
"license": "CC-BY-4.0",
"sources": [
{
"published": "2020-03-25T17:15:14.013Z",
"id": "CVE-2019-20633",
"modified": "2024-11-21T04:38:55.590Z",
"imported": "2026-03-31T16:10:31.573Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20633",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-20633"
}
]
}