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Vulnerability record · CVE-2019-13638 · published 26 July 2019

CVE-2019-13638: Gnu patch os command injection vulnerability

Gnu · Patch

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.

7.8 CVSS 3.0 High EPSS 4.5% · top 8.9% CWE-78 · OS command injection
7.8CVSS 3.0 base score, v2 9.3
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
30References
17 Jun 2026Last modified by NVD

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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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
https://access.redhat.com/errata/RHSA-2019:4061
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0 Mailing ListPatchVendor Advisory
https://github.com/irsl/gnu-patch-vulnerabilities
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UB
https://seclists.org/bugtraq/2019/Aug/29
https://seclists.org/bugtraq/2019/Jul/54 Mailing ListThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-13638 Third Party Advisory
https://security.gentoo.org/glsa/201908-22
https://security.netapp.com/advisory/ntap-20190828-0001/
https://www.debian.org/security/2019/dsa-4489 Third Party Advisory
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
https://access.redhat.com/errata/RHSA-2019:4061
https://git.savannah.gnu.org/cgit/patch.git/commit/?id=3fcd042d26d70856e826a42b5f93dc4854d80bf0 Mailing ListPatchVendor Advisory
https://github.com/irsl/gnu-patch-vulnerabilities
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVWWGISFWACROJJPVJJL4UB
https://seclists.org/bugtraq/2019/Aug/29
https://seclists.org/bugtraq/2019/Jul/54 Mailing ListThird Party Advisory
https://security-tracker.debian.org/tracker/CVE-2019-13638 Third Party Advisory
https://security.gentoo.org/glsa/201908-22
https://security.netapp.com/advisory/ntap-20190828-0001/
https://www.debian.org/security/2019/dsa-4489 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2019-13638), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.