{"id":"JLSEC-2026-18","details":"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.","modified":"2026-03-31T17:00:35.006039Z","published":"2026-03-31T16:50:26.988Z","upstream":["CVE-2019-20633"],"database_specific":{"license":"CC-BY-4.0","sources":[{"imported":"2026-03-31T16:10:31.573Z","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20633","published":"2020-03-25T17:15:14.013Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2019-20633","modified":"2024-11-21T04:38:55.590Z","id":"CVE-2019-20633"}]},"references":[{"type":"WEB","url":"https://savannah.gnu.org/bugs/index.php?56683"},{"type":"WEB","url":"https://savannah.gnu.org/bugs/index.php?56683"}],"affected":[{"package":{"name":"patch_jll","ecosystem":"Julia","purl":"pkg:julia/patch_jll?uuid=c7bec4a6-5215-51fd-b0a3-64ceaaad3a34"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.8.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-18.json"}}],"schema_version":"1.7.5"}