{ "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":[ { "text":"nodejs security update", "category":"general", "title":"Synopsis" }, { "text":"An update for nodejs is now available for openEuler-24.03-LTS-SP2", "category":"general", "title":"Summary" }, { "text":"Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.\n\nSecurity Fix(es):\n\nA flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `__proto__` and the application accesses `req.headersDistinct`.\n\nWhen this occurs, `dest[\"__proto__\"]` resolves to `Object.prototype` rather than `undefined`, causing `.push()` to be called on a non-array. This exception is thrown synchronously inside a property getter and cannot be intercepted by `error` event listeners, meaning it cannot be handled without wrapping every `req.headersDistinct` access in a `try/catch`.\n\n* This vulnerability affects all Node.js HTTP servers on **20.x, 22.x, 24.x, and v25.x**(CVE-2026-21710)\n\nA flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number of matching bytes. Under certain threat models where high-resolution timing measurements are possible, this behavior could be exploited as a timing oracle to infer HMAC values.\n\nNode.js already provides timing-safe comparison primitives used elsewhere in the codebase, indicating this is an oversight rather than an intentional design decision.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x**.(CVE-2026-21713)\n\nA memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up.\n\nThis vulnerability affects HTTP2 users on Node.js 20, 22, 24 and 25.(CVE-2026-21714)\n\nA flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them.\n\nAs a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync.native()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-read` is intentionally restricted.(CVE-2026-21715)\n\nAn incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without the required permission checks, while their callback-based equivalents (`fs.fchmod()`, `fs.fchown()`) were correctly patched.\n\nAs a result, code running under `--permission` with restricted `--allow-fs-write` can still use promise-based `FileHandle` methods to modify file permissions and ownership on already-open file descriptors, bypassing the intended write restrictions.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-write` is intentionally restricted.(CVE-2026-21716)\n\nA flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such collisions in V8's internal string table, an attacker can significantly degrade performance of the Node.js process.\n\nThe most common trigger is any endpoint that calls `JSON.parse()` on attacker-controlled input, as JSON parsing automatically internalizes short strings into the affected hash table.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x**.(CVE-2026-21717)", "category":"general", "title":"Description" }, { "text":"An update for nodejs is now available for master/openEuler-20.03-LTS-SP4/openEuler-22.03-LTS-SP4/openEuler-24.03-LTS/openEuler-24.03-LTS-Next/openEuler-24.03-LTS-SP1/openEuler-24.03-LTS-SP2/openEuler-24.03-LTS-SP3/openEuler-22.03-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.", "category":"general", "title":"Topic" }, { "text":"High", "category":"general", "title":"Severity" }, { "text":"nodejs", "category":"general", "title":"Affected Component" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"openEuler-SA-2026-1951", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" }, { "summary":"CVE-2026-21710", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21710&packageName=nodejs" }, { "summary":"CVE-2026-21713", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21713&packageName=nodejs" }, { "summary":"CVE-2026-21714", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21714&packageName=nodejs" }, { "summary":"CVE-2026-21715", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21715&packageName=nodejs" }, { "summary":"CVE-2026-21716", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21716&packageName=nodejs" }, { "summary":"CVE-2026-21717", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2026-21717&packageName=nodejs" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21710" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21713" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21714" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21715" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21716" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21717" }, { "summary":"openEuler-SA-2026-1951 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2026/csaf-openeuler-sa-2026-1951.json" } ], "title":"An update for nodejs is now available for openEuler-24.03-LTS-SP2", "tracking":{ "initial_release_date":"2026-04-17T21:04:30+08:00", "revision_history":[ { "date":"2026-04-17T21:04:30+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2026-04-17T21:04:30+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2026-04-17T21:04:30+08:00", "id":"openEuler-SA-2026-1951", "version":"1.0.0", 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openEuler-24.03-LTS-SP2" }, "category":"default_component_of" } ] }, "vulnerabilities":[ { "cve":"CVE-2026-21710", "notes":[ { "text":"A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `__proto__` and the application accesses `req.headersDistinct`.\n\nWhen this occurs, `dest[\"__proto__\"]` resolves to `Object.prototype` rather than `undefined`, causing `.push()` to be called on a non-array. This exception is thrown synchronously inside a property getter and cannot be intercepted by `error` event listeners, meaning it cannot be handled without wrapping every `req.headersDistinct` access in a `try/catch`.\n\n* This vulnerability affects all Node.js HTTP servers on **20.x, 22.x, 24.x, and v25.x**", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-24.03-LTS-SP2:nodejs-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-debuginfo-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-debugsource-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-devel-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-full-i18n-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-libs-20.18.2-7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:npm-10.8.2-1.20.18.2.7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:v8-devel-11.3.244.8-1.20.18.2.7.oe2403sp2.aarch64", "openEuler-24.03-LTS-SP2:nodejs-20.18.2-7.oe2403sp2.src", "openEuler-24.03-LTS-SP2:nodejs-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-debuginfo-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-debugsource-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-devel-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-full-i18n-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-libs-20.18.2-7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:npm-10.8.2-1.20.18.2.7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:v8-devel-11.3.244.8-1.20.18.2.7.oe2403sp2.x86_64", "openEuler-24.03-LTS-SP2:nodejs-docs-20.18.2-7.oe2403sp2.noarch" ] }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"HIGH", "baseScore":7.5, "vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"High", "category":"impact" } ], "title":"CVE-2026-21710" }, { "cve":"CVE-2026-21713", "notes":[ { "text":"A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number of matching bytes. Under certain threat models where high-resolution timing measurements are possible, this behavior could be exploited as a timing oracle to infer HMAC values.\n\nNode.js already provides timing-safe comparison primitives used elsewhere in the codebase, indicating this is an oversight rather than an intentional design decision.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x**.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{"$ref":"$.vulnerabilities[0].product_status.fixed"} }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.9, "vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2026-21713" }, { "cve":"CVE-2026-21714", "notes":[ { "text":"A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The server correctly sends a GOAWAY frame, but the Http2Session object is never cleaned up.\n\nThis vulnerability affects HTTP2 users on Node.js 20, 22, 24 and 25.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{"$ref":"$.vulnerabilities[0].product_status.fixed"} }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.3, "vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2026-21714" }, { "cve":"CVE-2026-21715", "notes":[ { "text":"A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them.\n\nAs a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync.native()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-read` is intentionally restricted.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{"$ref":"$.vulnerabilities[0].product_status.fixed"} }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"LOW", "baseScore":3.3, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Low", "category":"impact" } ], "title":"CVE-2026-21715" }, { "cve":"CVE-2026-21716", "notes":[ { "text":"An incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without the required permission checks, while their callback-based equivalents (`fs.fchmod()`, `fs.fchown()`) were correctly patched.\n\nAs a result, code running under `--permission` with restricted `--allow-fs-write` can still use promise-based `FileHandle` methods to modify file permissions and ownership on already-open file descriptors, bypassing the intended write restrictions.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-write` is intentionally restricted.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{"$ref":"$.vulnerabilities[0].product_status.fixed"} }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"LOW", "baseScore":3.3, "vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Low", "category":"impact" } ], "title":"CVE-2026-21716" }, { "cve":"CVE-2026-21717", "notes":[ { "text":"A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such collisions in V8's internal string table, an attacker can significantly degrade performance of the Node.js process.\n\nThe most common trigger is any endpoint that calls `JSON.parse()` on attacker-controlled input, as JSON parsing automatically internalizes short strings into the affected hash table.\n\nThis vulnerability affects **20.x, 22.x, 24.x, and 25.x**.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":{"$ref":"$.vulnerabilities[0].product_status.fixed"} }, "remediations":[ { "product_ids":{"$ref":"$.vulnerabilities[0].product_status.fixed"}, "details":"nodejs security update", "category":"vendor_fix", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1951" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":5.9, "vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":{"$ref":"$.vulnerabilities[0].product_status.fixed"} } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2026-21717" } ] }