GNU patch suffers from command injection and various other vulnerabilities when handling specially crafted patch files.
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Gentoo Linux Security Advisory 201904-17 - Multiple vulnerabilities have been found in Patch, the worst of which could result in the execution of arbitrary code. Versions less than 2.7.6-r3 are affected.
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Red Hat Security Advisory 2018-2091-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2092-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2097-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2095-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2093-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2094-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-2096-01 - 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. Issues addressed include a code execution vulnerability.
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Red Hat Security Advisory 2018-1200-01 - 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. Patch should be installed because it is a common way of upgrading applications. Issues addressed include a patching vulnerability.
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Red Hat Security Advisory 2018-1199-01 - 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. Patch should be installed because it is a common way of upgrading applications. Issues addressed include a patching vulnerability.
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Ubuntu Security Notice 3624-2 - USN-3624-1 fixed a vulnerability in Patch. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice 3624-1 - It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. It was discovered that Patch incorrectly handled certain input validation. An attacker could possibly use this to execute arbitrary code. It was discovered that Patch incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. Various other issues were also addressed.
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Slackware Security Advisory - New patch packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, 14.2, and -current to fix a security issue.
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