{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2025-62706","title":"Title"},{"category":"description","text":"Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.5, Authlib's JWE zip=DEF path performs unbounded DEFLATE decompression. A very small ciphertext can expand into tens or hundreds of megabytes on decrypt, allowing an attacker who can supply decryptable tokens to exhaust memory and CPU and cause denial of service. This issue has been patched in version 1.6.5. Workarounds for this issue involve rejecting or stripping zip=DEF for inbound JWEs at the application boundary, forking and add a bounded decompression guard via decompressobj().decompress(data, MAX_SIZE)) and returning an error when output exceeds a safe limit, or enforcing strict maximum token sizes and fail fast on oversized inputs; combine with rate limiting.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2025-62706","url":"https://www.suse.com/security/cve/CVE-2025-62706"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1252504 for CVE-2025-62706","url":"https://bugzilla.suse.com/1252504"},{"category":"external","summary":"Advisory link for SUSE-SU-2025:3842-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-October/023078.html"}],"title":"SUSE CVE CVE-2025-62706","tracking":{"current_release_date":"2025-12-19T00:26:48Z","generator":{"date":"2025-10-23T23:22:53Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2025-62706","initial_release_date":"2025-10-23T23:22:53Z","revision_history":[{"date":"2025-10-23T23:22:53Z","number":"2","summary":"Current version"},{"date":"2025-10-24T23:22:50Z","number":"3","summary":"Current version"},{"date":"2025-10-29T00:23:20Z","number":"4","summary":"Current version"},{"date":"2025-11-20T00:23:12Z","number":"5","summary":"Current version"},{"date":"2025-12-17T00:27:00Z","number":"6","summary":"description changed"},{"date":"2025-12-19T00:26:48Z","number":"7","summary":"description changed"}],"status":"interim","version":"7"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Linux Enterprise Desktop 15 SP6","product":{"name":"SUSE Linux Enterprise Desktop 15 SP6","product_id":"SUSE Linux Enterprise Desktop 15 SP6","product_identification_helper":{"cpe":"cpe:/o:suse:sled:15:sp6"}}},{"category":"product_name","name":"SUSE Linux Enterprise Desktop 15 SP7","product":{"name":"SUSE Linux Enterprise Desktop 15 SP7","product_id":"SUSE Linux Enterprise Desktop 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sled:15:sp7"}}},{"category":"product_name","name":"SUSE Linux Enterprise High Performance Computing 15 SP6","product":{"name":"SUSE Linux Enterprise High Performance Computing 15 SP6","product_id":"SUSE Linux Enterprise High Performance Computing 15 SP6","product_identification_helper":{"cpe":"cpe:/o:suse:sle_hpc:15:sp6"}}},{"category":"product_name","name":"SUSE Linux Enterprise High Performance Computing 15 SP7","product":{"name":"SUSE Linux Enterprise High Performance Computing 15 SP7","product_id":"SUSE Linux Enterprise High Performance Computing 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sle_hpc:15:sp7"}}},{"category":"product_name","name":"SUSE Linux Enterprise Module for Python 3 15 SP6","product":{"name":"SUSE Linux Enterprise Module for Python 3 15 SP6","product_id":"SUSE Linux Enterprise Module for Python 3 15 SP6","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-python3:15:sp6"}}},{"category":"product_name","name":"SUSE Linux Enterprise Module for Python 3 15 SP7","product":{"name":"SUSE Linux Enterprise Module for Python 3 15 SP7","product_id":"SUSE Linux Enterprise Module for Python 3 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sle-module-python3:15:sp7"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 15 SP6","product":{"name":"SUSE Linux Enterprise Server 15 SP6","product_id":"SUSE Linux Enterprise Server 15 SP6","product_identification_helper":{"cpe":"cpe:/o:suse:sles:15:sp6"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server 15 SP7","product":{"name":"SUSE Linux Enterprise Server 15 SP7","product_id":"SUSE Linux Enterprise Server 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sles:15:sp7"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server for SAP Applications 15 SP6","product":{"name":"SUSE Linux Enterprise Server for SAP Applications 15 SP6","product_id":"SUSE Linux Enterprise Server for SAP Applications 15 SP6","product_identification_helper":{"cpe":"cpe:/o:suse:sles_sap:15:sp6"}}},{"category":"product_name","name":"SUSE Linux Enterprise Server for SAP Applications 15 SP7","product":{"name":"SUSE Linux Enterprise Server for SAP Applications 15 SP7","product_id":"SUSE Linux Enterprise Server for SAP Applications 15 SP7","product_identification_helper":{"cpe":"cpe:/o:suse:sles_sap:15:sp7"}}},{"category":"product_name","name":"openSUSE Leap 15.6","product":{"name":"openSUSE Leap 15.6","product_id":"openSUSE Leap 15.6","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap:15.6"}}},{"category":"product_version","name":"python311-Authlib-1.3.1-150600.3.9.1","product":{"name":"python311-Authlib-1.3.1-150600.3.9.1","product_id":"python311-Authlib-1.3.1-150600.3.9.1","product_identification_helper":{"cpe":"cpe:2.3:a:authlib:authlib:1.3.1:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/python311-Authlib@1.3.1-150600.3.9.1?upstream=python-Authlib-1.3.1-150600.3.9.1.src.rpm"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Server 15 SP6","product_id":"SUSE Linux Enterprise Server 15 SP6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Desktop 15 SP6","product_id":"SUSE Linux Enterprise Desktop 15 SP6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Desktop 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Server for SAP Applications 15 SP6","product_id":"SUSE Linux Enterprise Server for SAP Applications 15 SP6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise High Performance Computing 15 SP6","product_id":"SUSE Linux Enterprise High Performance Computing 15 SP6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise High Performance Computing 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Module for Python 3 15 SP6","product_id":"SUSE Linux Enterprise Module for Python 3 15 SP6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Module for Python 3 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Server 15 SP7","product_id":"SUSE Linux Enterprise Server 15 SP7:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Server 15 SP7"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Desktop 15 SP7","product_id":"SUSE Linux Enterprise Desktop 15 SP7:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Desktop 15 SP7"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Server for SAP Applications 15 SP7","product_id":"SUSE Linux Enterprise Server for SAP Applications 15 SP7:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Server for SAP Applications 15 SP7"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise High Performance Computing 15 SP7","product_id":"SUSE Linux Enterprise High Performance Computing 15 SP7:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise High Performance Computing 15 SP7"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of SUSE Linux Enterprise Module for Python 3 15 SP7","product_id":"SUSE Linux Enterprise Module for Python 3 15 SP7:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"SUSE Linux Enterprise Module for Python 3 15 SP7"},{"category":"default_component_of","full_product_name":{"name":"python311-Authlib-1.3.1-150600.3.9.1 as component of openSUSE Leap 15.6","product_id":"openSUSE Leap 15.6:python311-Authlib-1.3.1-150600.3.9.1"},"product_reference":"python311-Authlib-1.3.1-150600.3.9.1","relates_to_product_reference":"openSUSE Leap 15.6"}]},"vulnerabilities":[{"cve":"CVE-2025-62706","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2025-62706"}],"notes":[{"category":"general","text":"Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.5, Authlib's JWE zip=DEF path performs unbounded DEFLATE decompression. A very small ciphertext can expand into tens or hundreds of megabytes on decrypt, allowing an attacker who can supply decryptable tokens to exhaust memory and CPU and cause denial of service. This issue has been patched in version 1.6.5. Workarounds for this issue involve rejecting or stripping zip=DEF for inbound JWEs at the application boundary, forking and add a bounded decompression guard via decompressobj().decompress(data, MAX_SIZE)) and returning an error when output exceeds a safe limit, or enforcing strict maximum token sizes and fail fast on oversized inputs; combine with rate limiting.","title":"CVE description"}],"product_status":{"recommended":["SUSE Linux Enterprise Desktop 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Desktop 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","openSUSE Leap 15.6:python311-Authlib-1.3.1-150600.3.9.1"]},"references":[{"category":"external","summary":"CVE-2025-62706","url":"https://www.suse.com/security/cve/CVE-2025-62706"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1252504 for CVE-2025-62706","url":"https://bugzilla.suse.com/1252504"},{"category":"external","summary":"Advisory link for SUSE-SU-2025:3842-1","url":"https://lists.suse.com/pipermail/sle-security-updates/2025-October/023078.html"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Linux Enterprise Desktop 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Desktop 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","openSUSE Leap 15.6:python311-Authlib-1.3.1-150600.3.9.1"]}],"scores":[{"cvss_v3":{"baseScore":6.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Linux Enterprise Desktop 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Desktop 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise High Performance Computing 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Module for Python 3 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP6:python311-Authlib-1.3.1-150600.3.9.1","SUSE Linux Enterprise Server for SAP Applications 15 SP7:python311-Authlib-1.3.1-150600.3.9.1","openSUSE Leap 15.6:python311-Authlib-1.3.1-150600.3.9.1"]}],"threats":[{"category":"impact","date":"2025-10-23T00:04:09Z","details":"moderate"}],"title":"CVE-2025-62706"}]}