Patch

This hub aggregates every CVE we track for Patch, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Patch.

• CVE-2025-15326Tanium addressed an improper access controls vulnerability in Patch.4.3Feb 5, 2026
• CVE-2025-15337Tanium addressed an incorrect default permissions vulnerability in Patch.6.5Feb 5, 2026
• CVE-2021-45261An Invalid Pointer vulnerability exists in GNU patch 2.7 via the another_hunk function, which causes a Denial of Service.5.5Dec 22, 2021
• CVE-2019-20633GNU 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 ...5.5Mar 25, 2020
• CVE-2015-1396A Directory Traversal vulnerability exists in the GNU patch before 2.7.4. A remote attacker can write to arbitrary files via a symlink attack in a patch file. NOTE: this issue exists because of an ...7.5Nov 25, 2019
• CVE-2018-20969do_ed_script in pch.c in GNU patch through 2.7.6 does not block strings beginning with a ! character. NOTE: this is the same commit as for CVE-2019-13638, but the ! syntax is specific to ed, and is...7.8Aug 16, 2019
• CVE-2019-13638GNU 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 ed...7.8Jul 26, 2019
• CVE-2019-13636In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.5.9Jul 17, 2019
• CVE-2018-1000156GNU Patch version 2.7.6 contains an input validation vulnerability when processing patch files, specifically the EDITOR_PROGRAM invocation (using ed) can result in code execution. This attack appea...7.8Apr 6, 2018
• CVE-2018-6951An issue was discovered in GNU patch through 2.7.6. There is a segmentation fault, associated with a NULL pointer dereference, leading to a denial of service in the intuit_diff_type function in pch...7.5Feb 13, 2018
• CVE-2018-6952A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.7.5Feb 13, 2018
• CVE-2016-10713An issue was discovered in GNU patch before 2.7.6. Out-of-bounds access within pch_write_line() in pch.c can possibly lead to DoS via a crafted input file.5.5Feb 13, 2018
• CVE-2014-9637GNU patch 2.7.2 and earlier allows remote attackers to cause a denial of service (memory consumption and segmentation fault) via a crafted diff file.5.5Aug 25, 2017
• CVE-2015-1395Directory traversal vulnerability in GNU patch versions which support Git-style patching before 2.7.3 allows remote attackers to write to arbitrary files with the permissions of the target user via...7.5Aug 25, 2017
• CVE-2015-1196GNU patch 2.7.1 allows remote attackers to write to arbitrary files via a symlink attack in a patch file.4.3Jan 21, 2015