{"cve":"CVE-2019-13638","nvd":{"published":"2019-07-26T13:15:12.783","modified":"2026-06-17T02:17:07.817","status":"Modified","description":"GNU patch through 2.7.6 is vulnerable to OS shell command injection that can be exploited by opening a crafted patch file that contains an ed style diff payload with shell metacharacters. The ed editor does not need to be present on the vulnerable system. This is different from CVE-2018-1000156.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-78"],"references":["http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html","https://access.redhat.com/errata/RHSA-2019:2798","https://access.redhat.com/errata/RHSA-2019:2964","https://access.redhat.com/errata/RHSA-2019:3757","https://access.redhat.com/errata/RHSA-2019:3758"],"products":["debian:debian_linux","gnu:patch"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-13638","score":0.04493,"percentile":0.91489,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}