{ "document": { "aggregate_severity": { "text": "Low" }, "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: Unauthenticated heap memory disclosure via mismatched\n zlib compressed protocol headers (MongoBleed)\n - debian/patches/CVE-2025-14847.patch: Return actual decompressed size\n instead of buffer size in ZlibMessageCompressor::decompressData\n - CVE-2025-14847", "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-2026:1773768694", "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773768694" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/advisories/2026/clsa-2026_1773768694.json" } ], "tracking": { "current_release_date": "2026-03-17T17:32:09Z", "generator": { "date": "2026-03-17T17:32:09Z", "engine": { "name": "pyCSAF" } }, "id": "CLSA-2026:1773768694", "initial_release_date": "2026-03-17T17:32:09Z", "revision_history": [ { "date": "2026-03-17T17:32:09Z", "number": "1", "summary": "Initial version" } ], "status": "final", "version": "1" }, "title": "Fix CVE(s): CVE-2025-14847" }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Ubuntu 20.04", "product": { "name": "Ubuntu 20.04", "product_id": "Ubuntu-20", "product_identification_helper": { "cpe": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*" } } } ], "category": "product_family", "name": "Ubuntu" } ], "category": "vendor", "name": "Canonical Ltd." }, { "branches": [ { "branches": [ { "category": "product_version", "name": "mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product": { "name": "mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_id": "mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/mongodb-server-core@3.6.9%2Breally3.6.8%2B90~g8e540c0b6d-0ubuntu5.3%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product": { "name": "mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_id": "mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/mongodb-clients@3.6.9%2Breally3.6.8%2B90~g8e540c0b6d-0ubuntu5.3%2Btuxcare.els1?arch=amd64" } } }, { "category": "product_version", "name": "mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product": { "name": "mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_id": "mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "product_identification_helper": { "purl": "pkg:deb/tuxcare/mongodb@3.6.9%2Breally3.6.8%2B90~g8e540c0b6d-0ubuntu5.3%2Btuxcare.els1?arch=amd64" } } } ], "category": "architecture", "name": "amd64" }, { "branches": [ { "category": "product_version", "name": "mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "product": { "name": "mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "product_id": "mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "product_identification_helper": { "purl": "pkg:deb/tuxcare/mongodb-server@3.6.9%2Breally3.6.8%2B90~g8e540c0b6d-0ubuntu5.3%2Btuxcare.els1?arch=all" } } } ], "category": "architecture", "name": "all" } ], "category": "vendor", "name": "TuxCare" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64" }, "product_reference": "mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64" }, "product_reference": "mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64 as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64" }, "product_reference": "mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "relates_to_product_reference": "Ubuntu-20" }, { "category": "default_component_of", "full_product_name": { "name": "mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all as a component of Ubuntu 20.04", "product_id": "Ubuntu-20:mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all" }, "product_reference": "mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "relates_to_product_reference": "Ubuntu-20" } ] }, "vulnerabilities": [ { "cve": "CVE-2025-14847", "cwe": { "id": "CWE-130", "name": "Improper Handling of Length Parameter Inconsistency" }, "notes": [ { "category": "description", "text": "Mismatched length fields in Zlib compressed protocol headers may allow a read of uninitialized heap memory by an unauthenticated client. This issue affects all MongoDB Server v7.0 prior to 7.0.28 versions, MongoDB Server v8.0 versions prior to 8.0.17, MongoDB Server v8.2 versions prior to 8.2.3, MongoDB Server v6.0 versions prior to 6.0.27, MongoDB Server v5.0 versions prior to 5.0.32, MongoDB Server v4.4 versions prior to 4.4.30, MongoDB Server v4.2 versions greater than or equal to 4.2.0, MongoDB Server v4.0 versions greater than or equal to 4.0.0, and MongoDB Server v3.6 versions greater than or equal to 3.6.0.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "Ubuntu-20:mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "Ubuntu-20:mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "Ubuntu-20:mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "Ubuntu-20:mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://cve.tuxcare.com/els/cve/CVE-2025-14847" }, { "category": "external", "summary": "https://jira.mongodb.org/browse/SERVER-115508", "url": "https://jira.mongodb.org/browse/SERVER-115508" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2025/12/29/21", "url": "http://www.openwall.com/lists/oss-security/2025/12/29/21" }, { "category": "external", "summary": "https://www.smartkeyss.com/post/mongobleed-pre-auth-memory-disclosure-via-op_compressed-in-mongodb-cve-2025-14847", "url": "https://www.smartkeyss.com/post/mongobleed-pre-auth-memory-disclosure-via-op_compressed-in-mongodb-cve-2025-14847" }, { "category": "external", "summary": "https://www.vicarius.io/vsociety/posts/cve-2025-14847-detection-script-heap-memory-exposure-in-mongodb-server", "url": "https://www.vicarius.io/vsociety/posts/cve-2025-14847-detection-script-heap-memory-exposure-in-mongodb-server" }, { "category": "external", "summary": "https://www.vicarius.io/vsociety/posts/cve-2025-14847-mitigation-script-heap-memory-exposure-in-mongodb-server", "url": "https://www.vicarius.io/vsociety/posts/cve-2025-14847-mitigation-script-heap-memory-exposure-in-mongodb-server" }, { "category": "external", "summary": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14847", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14847" } ], "release_date": "2025-12-19T11:15:00Z", "remediations": [ { "category": "vendor_fix", "date": "2026-03-17T17:31:37.406921Z", "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1773768694", "product_ids": [ "Ubuntu-20:mongodb-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "Ubuntu-20:mongodb-clients-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64", "Ubuntu-20:mongodb-server-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.all", "Ubuntu-20:mongodb-server-core-1:3.6.9+really3.6.8+90~g8e540c0b6d-0ubuntu5.3+tuxcare.els1.amd64" ], "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1773768694" } ], "threats": [ { "category": "impact", "details": "Low" } ] } ] }