CVE-2026-13757

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The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no recursion depth limit when processing nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TEMPLATE attributes. An unauthenticated attacker with local access to the p11-kit RPC Unix domain socket can send a specially crafted request with deeply nested template attributes, causing stack exhaustion and crashing the p11-kit server process and its dependent services."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "p11-kit", "defaultStatus": "affected", "versions": [{"version": "0:0.26.4-1.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.2"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "p11-kit", "defaultStatus": "affected", "versions": [{"version": "0:0.26.4-1.el9_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:enterprise_linux:9::appstream", 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The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no recursion depth limit when processing nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TEMPLATE attributes. An unauthenticated attacker with local access to the p11-kit RPC Unix domain socket can send a specially crafted request with deeply nested template attributes, causing stack exhaustion and crashing the p11-kit server process and its dependent services."}], "id": "CVE-2026-13757", "lastModified": "2026-11-06T08:17:21.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-13757", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-01T14:21:14.619672Z", "version": "2.0.3"}}]}, "published": "2026-06-29T19:16:40.907", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:37469"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:38342"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:49667"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:49668"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:53371"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:54387"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:54760"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:58981"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72394"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72395"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72399"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72470"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72475"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72476"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:72502"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:81201"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82304"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82322"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82336"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82347"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82354"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82372"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82857"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:82888"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2026-13757"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494556"}, {"source": "secalert@redhat.com", "url": "https://github.com/advisories/GHSA-p2wm-69qx-x25w"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "p11-kit: Stack exhaustion via unbounded recursion in RPC attribute parsing", "id": "2494556", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494556"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-674", "details": ["A flaw was found in p11-kit. The RPC message attribute parsing functions p11_rpc_message_get_attribute() and p11_rpc_message_get_attribute_array_value() form a mutually-recursive call chain with no recursion depth limit when processing nested CKA_WRAP_TEMPLATE, CKA_UNWRAP_TEMPLATE, and CKA_DERIVE_TEMPLATE attributes. An unauthenticated attacker with local access to the p11-kit RPC Unix domain socket can send a specially crafted request with deeply nested template attributes, causing stack exhaustion and crashing the p11-kit server process and its dependent services."], "name": "CVE-2026-13757", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "p11-kit", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "p11-kit", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "p11-kit", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "p11-kit", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "p11-kit", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "p11-kit", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-06-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-13757\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-13757"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "product": "p11-kit", "vendor": "p11-kit_project"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Enterprise Linux 10", "source": "cna", "vendor": "Red Hat"}, "product": "enterprise_linux", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 83.0, "confidence_source": "matching", "scores": [{"score": 83.0, "source": "matching"}]}, "original": {"product": "Red Hat Hardened Images", "source": "cna", "vendor": "Red Hat"}, "product": "hardened_images", "vendor": "redhat"}, {"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 86.0, "confidence_source": "matching", "scores": [{"score": 86.0, "source": "matching"}]}, "original": {"product": "Red Hat OpenShift Container Platform 4", "source": "cna", "vendor": "Red Hat"}, "product": "openshift_container_platform", "vendor": "redhat"}], "created": "2026-06-29T20:30:03.230848+00:00", "updated": "2026-07-01T10:03:48.986849+00:00", "vendors": ["p11-kit_project", "p11-kit_project$PRODUCT$p11-kit", "redhat", "redhat$PRODUCT$enterprise_linux", "redhat$PRODUCT$hardened_images", "redhat$PRODUCT$openshift_container_platform"]}