{ "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: Fix HttpRequest use-after-free for ICP v3 queries\n - debian/patches/CVE-2026-32748.patch: move the icp_access check inside\n icpGetRequest() and return an HttpRequest::Pointer so the request\n survives the on-stack ACLFilledChecklist, eliminating the\n use-after-free in src/ICP.h, src/icp_v2.cc, src/icp_v3.cc and\n src/tests/stub_icp.cc\n - CVE-2026-32748", "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-2026:1788884663", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788884663" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1788884663.json" } ], "tracking": { "current_release_date": "2026-09-08T16:25:18Z", "generator": { "date": "2026-09-08T16:25:18Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1788884663", "initial_release_date": "2026-09-08T16:25:18Z", "revision_history": [ { "date": "2026-09-08T16:25:18Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2026-32748" }, "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": 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"squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.armel as a component of Debian 11", "product_id": "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.armel" }, "product_reference": "squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.armel", "relates_to_product_reference": "Debian-11" }, { "category": "default_component_of", "full_product_name": { "name": "squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.amd64 as a component of Debian 11", "product_id": "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.amd64" }, "product_reference": "squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.amd64", "relates_to_product_reference": "Debian-11" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-32748", "cwe": { "id": "CWE-413", "name": "Improper Resource Locking" }, "notes": [ { "category": "description", "text": "Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack against the Squid service using ICP protocol. This attack is limited to Squid deployments that explicitly enable ICP support (i.e. configure non-zero `icp_port`). This problem _cannot_ be mitigated by denying ICP queries using `icp_access` rules. This bug is fixed in Squid version 7.5.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-common-0:4.13-10+deb11u7+tuxcare.els1.all", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.armel" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2026-32748" }, { "category": "external", "summary": "https://github.com/squid-cache/squid/commit/703e07d25ca6fa11f52d20bf0bb879e22ab7481b", "url": "https://github.com/squid-cache/squid/commit/703e07d25ca6fa11f52d20bf0bb879e22ab7481b" }, { "category": "external", "summary": "https://github.com/squid-cache/squid/security/advisories/GHSA-f9p7-3jqg-hhvq", "url": "https://github.com/squid-cache/squid/security/advisories/GHSA-f9p7-3jqg-hhvq" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/03/25/3", "url": "http://www.openwall.com/lists/oss-security/2026/03/25/3" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:10255", "url": "https://access.redhat.com/errata/RHSA-2026:10255" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:10256", "url": "https://access.redhat.com/errata/RHSA-2026:10256" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:10257", "url": "https://access.redhat.com/errata/RHSA-2026:10257" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:11901", "url": "https://access.redhat.com/errata/RHSA-2026:11901" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:20564", "url": "https://access.redhat.com/errata/RHSA-2026:20564" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:20565", "url": "https://access.redhat.com/errata/RHSA-2026:20565" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:20580", "url": "https://access.redhat.com/errata/RHSA-2026:20580" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:6301", "url": "https://access.redhat.com/errata/RHSA-2026:6301" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8119", "url": "https://access.redhat.com/errata/RHSA-2026:8119" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8317", "url": "https://access.redhat.com/errata/RHSA-2026:8317" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:8880", "url": "https://access.redhat.com/errata/RHSA-2026:8880" }, { "category": "external", "summary": "https://access.redhat.com/errata/RHSA-2026:9220", "url": "https://access.redhat.com/errata/RHSA-2026:9220" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-32748", "url": "https://access.redhat.com/security/cve/CVE-2026-32748" }, { "category": "external", "summary": "https://bugzilla.redhat.com/show_bug.cgi?id=2451577", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451577" }, { "category": "external", "summary": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32748.json", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32748.json" } ], "release_date": "2026-03-26T01:16:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-09-08T16:24:25.125138Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1788884663", "product_ids": [ "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-cgi-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-common-0:4.13-10+deb11u7+tuxcare.els1.all", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-openssl-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squid-purge-0:4.13-10+deb11u7+tuxcare.els1.armel", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.amd64", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.arm64", "Debian-11:squidclient-0:4.13-10+deb11u7+tuxcare.els1.armel" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1788884663" } ], "threats": [ { "category": "impact", "details": "Important" } ] } ] }