{ "document": { "aggregate_severity": { "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "TuxCare License Agreement", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.", "title": "Terms of Use" }, { "category": "details", "text": "* SECURITY UPDATE: Double free in another_hunk() via pch_swap()\n - debian/patches/CVE-2018-6952.patch: in pch_swap(), src/pch.c, derive\n the non-freeable pointer range shift from p_ptrn_lines instead of the\n already-incremented line index, so p_bfake/p_efake keep bracketing the\n aliased fill lines after a swap. With a blank line in the middle of a\n context-diff hunk the range was off by one and the next\n another_hunk() call freed an aliased line twice\n - CVE-2018-6952", "title": "Details" } ], "publisher": { "category": "vendor", "contact_details": "https://tuxcare.com/contact/", "name": "TuxCare", "namespace": "https://tuxcare.com/" }, "references": [ { "category": "self", "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789116242", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789116242" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1789116242.json" } ], "tracking": { "current_release_date": "2026-09-11T08:44:35Z", "generator": { "date": "2026-09-11T08:44:35Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1789116242", "initial_release_date": "2026-09-11T08:44:35Z", "revision_history": [ { "date": "2026-09-11T08:44:35Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2018-6952" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Debian 11", "product": { "name": "Debian 11", "product_id": "Debian-11", "product_identification_helper": { "cpe": "cpe:2.3:o:debian:debian_linux:11:*:*:*:*:*:*:*" } } } ], "category": "product_family", "name": "Debian" } ], "category": "vendor", "name": "Software in the Public Interest, Inc." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "patch-0:2.7.6-7+tuxcare.els1.armel", "product": { "name": "patch-0:2.7.6-7+tuxcare.els1.armel", "product_id": "patch-0:2.7.6-7+tuxcare.els1.armel", "product_identification_helper": { "purl": "pkg:deb/tuxcare/patch@2.7.6-7%2Btuxcare.els1?arch=armel" } } } ], "category": "architecture", "name": "armel" }, { "branches": [ { "category": "product_version", "name": "patch-0:2.7.6-7+tuxcare.els1.arm64", "product": { "name": "patch-0:2.7.6-7+tuxcare.els1.arm64", "product_id": "patch-0:2.7.6-7+tuxcare.els1.arm64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/patch@2.7.6-7%2Btuxcare.els1?arch=arm64" } } } ], "category": "architecture", "name": "arm64" }, { "branches": [ { "category": "product_version", "name": "patch-0:2.7.6-7+tuxcare.els1.amd64", "product": { "name": "patch-0:2.7.6-7+tuxcare.els1.amd64", "product_id": "patch-0:2.7.6-7+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/patch@2.7.6-7%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "patch-0:2.7.6-7+tuxcare.els1.armel as a component of Debian 11", "product_id": "Debian-11:patch-0:2.7.6-7+tuxcare.els1.armel" }, "product_reference": "patch-0:2.7.6-7+tuxcare.els1.armel", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "patch-0:2.7.6-7+tuxcare.els1.arm64 as a component of Debian 11", "product_id": "Debian-11:patch-0:2.7.6-7+tuxcare.els1.arm64" }, "product_reference": "patch-0:2.7.6-7+tuxcare.els1.arm64", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "patch-0:2.7.6-7+tuxcare.els1.amd64 as a component of Debian 11", "product_id": "Debian-11:patch-0:2.7.6-7+tuxcare.els1.amd64" }, "product_reference": "patch-0:2.7.6-7+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-11" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-6952", "cwe": { "id": "CWE-415", "name": "Double Free" }, "notes": [ { "category": "description", "text": "A double free exists in the another_hunk function in pch.c in GNU patch through 2.7.6.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Debian-11:patch-0:2.7.6-7+tuxcare.els1.amd64", "Debian-11:patch-0:2.7.6-7+tuxcare.els1.arm64", "Debian-11:patch-0:2.7.6-7+tuxcare.els1.armel" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2018-6952" }, { "category": "external", "summary": "http://www.securityfocus.com/bid/103047", "url": "http://www.securityfocus.com/bid/103047" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2019:2033", "url": "https://access.redhat.com/errata/RHSA-2019:2033" }, { "category": "external", "summary": "https://savannah.gnu.org/bugs/index.php?53133", "url": "https://savannah.gnu.org/bugs/index.php?53133" }, { "category": "external", "summary": "https://security.gentoo.org/glsa/201904-17", "url": "https://security.gentoo.org/glsa/201904-17" } ], "release_date": "2018-02-13T19:29:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-09-11T08:44:04.400699Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1789116242", "product_ids": [ "Debian-11:patch-0:2.7.6-7+tuxcare.els1.amd64", "Debian-11:patch-0:2.7.6-7+tuxcare.els1.arm64", "Debian-11:patch-0:2.7.6-7+tuxcare.els1.armel" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1789116242" } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }