{ "document": { "aggregate_severity": { "namespace": "https://nvd.nist.gov/vuln-metrics/cvss", "text": "High" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https:/www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "general", "text": "edk2 security update", "title": "Synopsis" }, { "category": "general", "text": "An update for edk2 is now available for openEuler-24.03-LTS-SP3", "title": "Summary" }, { "category": "general", "text": "EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.\n\nSecurity Fix(es):\n\nIssue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based\non querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive\ncan write and cleanse more bytes than that query reports, causing an 8-byte\nout-of-bounds heap write.\n\nImpact summary: An attacker who supplies a crafted CMS message can trigger a\ndeterministic 8-byte out-of-bounds heap write when the victim decrypts it\nwith CMS_decrypt(), corrupting the heap and typically resulting in a Denial\nof Service.\n\nCWE: CWE-787: Out-of-bounds Write\n\nDescription: The key-wrap OID is potentially attacker-controlled on the wire.\nCMS unwrapping allows both id-aesNNN-wrap-pad and id-aesNNN-wrap ciphers.\nAn attacker can take a legitimate message and change a single OID byte to\nselect the padded variant while leaving the message otherwise valid. Since\nthe unwrap key is derived from the recipient's private operation (ECDH key\nagreement or ML-KEM decapsulation), the RFC 5649 integrity check cannot\npass, and the decryption fails with integrity failure.\n\nThe write is a fixed-size (8-byte), fixed-value (zero) heap overflow\nimmediately past the allocation, requires no special configuration, and is\nreachable from the public CMS_decrypt() function. The consequence is\na heap corruption leading to a Denial of Service. The fix in the CMS code\nsizes the unwrap output buffer for the worst case so a failed unwrap cannot\nwrite past the allocation.\n\nFIPS impact: no\n\nAs the CMS code lives outside the FIPS module boundary, no FIPS\nmodules are affected by this CVE.(CVE-2026-63072)\n\nIssue summary: OpenSSL CMP password based protection verification only\nchecks whether the protectionAlg parameter was not NULL and not its\nASN.1 type, before treating it as a PBMParameter. A crafted message can\ncontain a parameter of a different type, which is then dereferenced as an\ninvalid pointer.\n\nImpact summary: A remote, unauthenticated attacker can crash an application\nacting as a CMP server that accepts PBM-protected messages, or a CMP client\ntalking to a malicious or intercepted CMP server, resulting in a Denial of\nService.\n\nCWE: CWE-476: NULL Pointer Dereference\n\nDescription: When verifying the password-based MAC protection of a CMP\nmessage, OpenSSL library reads the protectionAlg algorithm parameter with\nX509_ALGOR_get0(), which returns both the parameter type and its value\npointer. The value is then cast to an ASN1_STRING and treated as the\nexpected PBMParameter after only checking that pointer is not NULL. The\nparameter type returned by X509_ALGOR_get0() was never consulted.\n\nThis happens during protection verification, before any MAC is computed, so\nno knowledge of the PBM shared secret is required; the only precondition is\nthat PBM verification is reachable. On the server side this is reached from\nOSSL_CMP_SRV_process_request() for any application that stands up a CMP\nserver accepting PBM-protected messages, and on the client side from CMP\nresponse validation against a malicious or on-path (MITM) server. The\nreliable consequence is a denial of service; there is no memory disclosure,\nno controlled memory write, and no path to code execution. CMP is a\nspecialized feature that an application must explicitly enable.\n\nFIPS impact: no\nAs the CMP code lives outside the FIPS module boundary, no FIPS modules\nare affected by this CVE.(CVE-2026-63076)", "title": "Description" }, { "category": "general", "text": "An update for edk2 is now available for openEuler-24.03-LTS-SP3.\n\nopenEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "High", "title": "Severity" }, { "category": "general", "text": "edk2", "title": "Affected Component" } ], "publisher": { "category": "vendor", "contact_details": "openeuler-security@openeuler.org", "issuing_authority": "openEuler security committee", "name": "openEuler", "namespace": "https://www.openeuler.org" }, "references": [ { "category": "self", "summary": "openEuler-SA-2026-3857", "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3857" }, { "category": "self", "summary": "CVE-2026-63072", "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63072&packageName=edk2" }, { "category": "self", "summary": "CVE-2026-63076", "url": "https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-63076&packageName=edk2" }, { "category": "external", "summary": "nvd cve", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63072" }, { "category": "external", "summary": "nvd cve", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-63076" }, { "category": "self", "summary": "openEuler-SA-2026-3857 vex file", "url": "https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-3857.json" } ], "title": "An update for edk2 is now available for openEuler-24.03-LTS-SP3", "tracking": { "current_release_date": "2026-09-16T17:55:45+08:00", "generator": { "date": "2026-09-16T17:55:45+08:00", "engine": { "name": "openEuler CSAF Tool V1.0" } }, "id": "openEuler-SA-2026-3857", "initial_release_date": "2026-09-16T17:55:45+08:00", "revision_history": [ { "date": "2026-09-16T17:55:45+08:00", "number": "1.0.0", "summary": "Initial" } ], "status": "final", "version": "1.0.0" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version", "name": "openEuler-24.03-LTS-SP3", "product": { "name": "openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } } ], "category": "product_name", "name": "openEuler" }, { "branches": [ { "category": "product_version", "name": "edk2-debuginfo-202308-49.oe2403sp3.aarch64.rpm", "product": { "name": "edk2-debuginfo-202308-49.oe2403sp3.aarch64.rpm", "product_id": "edk2-debuginfo-202308-49.oe2403sp3.aarch64.rpm", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } }, { "category": "product_version", "name": "edk2-debugsource-202308-49.oe2403sp3.aarch64.rpm", "product": { "name": "edk2-debugsource-202308-49.oe2403sp3.aarch64.rpm", "product_id": "edk2-debugsource-202308-49.oe2403sp3.aarch64.rpm", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } }, { 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"cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } }, { "category": "product_version", "name": "edk2-help-202308-49.oe2403sp3.noarch.rpm", "product": { "name": "edk2-help-202308-49.oe2403sp3.noarch.rpm", "product_id": "edk2-help-202308-49.oe2403sp3.noarch.rpm", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } }, { "category": "product_version", "name": "edk2-ovmf-202308-49.oe2403sp3.noarch.rpm", "product": { "name": "edk2-ovmf-202308-49.oe2403sp3.noarch.rpm", "product_id": "edk2-ovmf-202308-49.oe2403sp3.noarch.rpm", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } }, { "category": "product_version", "name": "python3-edk2-devel-202308-49.oe2403sp3.noarch.rpm", "product": { "name": "python3-edk2-devel-202308-49.oe2403sp3.noarch.rpm", "product_id": "python3-edk2-devel-202308-49.oe2403sp3.noarch.rpm", "product_identification_helper": { "cpe": "cpe:/a:openEuler:openEuler:24.03-LTS-SP3" } } } ], "category": "architecture", "name": "noarch" } ], "category": "vendor", "name": "openEuler" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "edk2-debuginfo-202308-49.oe2403sp3.aarch64 as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64" }, "product_reference": "edk2-debuginfo-202308-49.oe2403sp3.aarch64.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-debugsource-202308-49.oe2403sp3.aarch64 as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64" }, "product_reference": "edk2-debugsource-202308-49.oe2403sp3.aarch64.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-devel-202308-49.oe2403sp3.aarch64 as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64" }, "product_reference": "edk2-devel-202308-49.oe2403sp3.aarch64.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-debuginfo-202308-49.oe2403sp3.x86_64 as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64" }, "product_reference": "edk2-debuginfo-202308-49.oe2403sp3.x86_64.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-debugsource-202308-49.oe2403sp3.x86_64 as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64" }, "product_reference": "edk2-debugsource-202308-49.oe2403sp3.x86_64.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": 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"relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-help-202308-49.oe2403sp3.noarch as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch" }, "product_reference": "edk2-help-202308-49.oe2403sp3.noarch.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "edk2-ovmf-202308-49.oe2403sp3.noarch as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch" }, "product_reference": "edk2-ovmf-202308-49.oe2403sp3.noarch.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" }, { "category": "default_component_of", "full_product_name": { "name": "python3-edk2-devel-202308-49.oe2403sp3.noarch as a component of openEuler-24.03-LTS-SP3", "product_id": "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" }, "product_reference": "python3-edk2-devel-202308-49.oe2403sp3.noarch.rpm", "relates_to_product_reference": "openEuler-24.03-LTS-SP3" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-63072", "notes": [ { "category": "description", "text": "Issue summary: OpenSSL CMS decryption sizes the key-unwrap output buffer based\non querying the unwrapped key size, but the AES-WRAP-PAD unwrap primitive\ncan write and cleanse more bytes than that query reports, causing an 8-byte\nout-of-bounds heap write.\n\nImpact summary: An attacker who supplies a crafted CMS message can trigger a\ndeterministic 8-byte out-of-bounds heap write when the victim decrypts it\nwith CMS_decrypt(), corrupting the heap and typically resulting in a Denial\nof Service.\n\nCWE: CWE-787: Out-of-bounds Write\n\nDescription: The key-wrap OID is potentially attacker-controlled on the wire.\nCMS unwrapping allows both id-aesNNN-wrap-pad and id-aesNNN-wrap ciphers.\nAn attacker can take a legitimate message and change a single OID byte to\nselect the padded variant while leaving the message otherwise valid. Since\nthe unwrap key is derived from the recipient's private operation (ECDH key\nagreement or ML-KEM decapsulation), the RFC 5649 integrity check cannot\npass, and the decryption fails with integrity failure.\n\nThe write is a fixed-size (8-byte), fixed-value (zero) heap overflow\nimmediately past the allocation, requires no special configuration, and is\nreachable from the public CMS_decrypt() function. The consequence is\na heap corruption leading to a Denial of Service. The fix in the CMS code\nsizes the unwrap output buffer for the worst case so a failed unwrap cannot\nwrite past the allocation.\n\nFIPS impact: no\n\nAs the CMS code lives outside the FIPS module boundary, no FIPS\nmodules are affected by this CVE.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ] }, "remediations": [ { "category": "vendor_fix", "details": "edk2 security update", "product_ids": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ], "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3857" } ], "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ] } ], "threats": [ { "category": "impact", "details": "High" } ], "title": "CVE-2026-63072" }, { "cve": "CVE-2026-63076", "notes": [ { "category": "description", "text": "Issue summary: OpenSSL CMP password based protection verification only\nchecks whether the protectionAlg parameter was not NULL and not its\nASN.1 type, before treating it as a PBMParameter. A crafted message can\ncontain a parameter of a different type, which is then dereferenced as an\ninvalid pointer.\n\nImpact summary: A remote, unauthenticated attacker can crash an application\nacting as a CMP server that accepts PBM-protected messages, or a CMP client\ntalking to a malicious or intercepted CMP server, resulting in a Denial of\nService.\n\nCWE: CWE-476: NULL Pointer Dereference\n\nDescription: When verifying the password-based MAC protection of a CMP\nmessage, OpenSSL library reads the protectionAlg algorithm parameter with\nX509_ALGOR_get0(), which returns both the parameter type and its value\npointer. The value is then cast to an ASN1_STRING and treated as the\nexpected PBMParameter after only checking that pointer is not NULL. The\nparameter type returned by X509_ALGOR_get0() was never consulted.\n\nThis happens during protection verification, before any MAC is computed, so\nno knowledge of the PBM shared secret is required; the only precondition is\nthat PBM verification is reachable. On the server side this is reached from\nOSSL_CMP_SRV_process_request() for any application that stands up a CMP\nserver accepting PBM-protected messages, and on the client side from CMP\nresponse validation against a malicious or on-path (MITM) server. The\nreliable consequence is a denial of service; there is no memory disclosure,\nno controlled memory write, and no path to code execution. CMP is a\nspecialized feature that an application must explicitly enable.\n\nFIPS impact: no\nAs the CMP code lives outside the FIPS module boundary, no FIPS modules\nare affected by this CVE.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ] }, "remediations": [ { "category": "vendor_fix", "details": "edk2 security update", "product_ids": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ], "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3857" } ], "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.aarch64", "openEuler-24.03-LTS-SP3:edk2-debuginfo-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-debugsource-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-devel-202308-49.oe2403sp3.x86_64", "openEuler-24.03-LTS-SP3:edk2-202308-49.oe2403sp3.src", "openEuler-24.03-LTS-SP3:edk2-aarch64-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-help-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:edk2-ovmf-202308-49.oe2403sp3.noarch", "openEuler-24.03-LTS-SP3:python3-edk2-devel-202308-49.oe2403sp3.noarch" ] } ], "threats": [ { "category": "impact", "details": "High" } ], "title": "CVE-2026-63076" } ] }