| Description: | The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made to the file. A person who has the original file can then use the patch command with the diff file to add the changes to their original file (patching the file).
Security Fix(es):
patch: do_ed_script in pch.c does not block strings beginning with a ! character (CVE-2018-20969)
patch: OS shell command injection when processing crafted patch files (CVE-2019-13638)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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