CVE-2026-33750

{"id": "CVE-2026-33750", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33750", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-27T14:47:58.490818Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "juliangruber", "product": "brace-expansion", "versions": [{"status": "affected", "version": ">= 4.0.0, < 5.0.5"}, {"status": "affected", "version": ">= 3.0.0, < 3.0.2"}, {"status": "affected", "version": ">= 2.0.0, < 2.0.3"}, {"status": "affected", "version": "< 1.1.13"}]}]}], "published": "2026-03-27T15:16:57.297", "references": [{"url": "https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L107-L113", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/blob/daa71bcb4a30a2df9bcb7f7b8daaf2ab30e5794a/src/index.ts#L184", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/commit/311ac0d54994158c0a384e286a7d6cbb17ee8ed5", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/commit/7fd684f89fdde3549563d0a6522226a9189472a2", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/commit/b9cacd9e55e7a1fa588fe4b7bb1159d52f1d902a", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/issues/98", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/pull/95", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/pull/96", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/pull/97", "tags": ["Issue Tracking", "Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-f886-m6hf-6m8v", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value (e.g., `{1..2..0}`) causes the sequence generation loop to run indefinitely, making the process hang for seconds and allocate heaps of memory. Versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13 fix the issue. As a workaround, sanitize strings passed to `expand()` to ensure a step value of `0` is not used."}, {"lang": "es", "value": "La biblioteca brace-expansion genera cadenas arbitrarias que contienen un prefijo y un sufijo comunes. Antes de las versiones 5.0.5, 3.0.2, 2.0.3 y 1.1.13, un patr\u00f3n de corchetes con un valor de paso cero (por ejemplo, \u2019{1..2..0}\u2019) hace que el bucle de generaci\u00f3n de secuencia se ejecute indefinidamente, haciendo que el proceso se cuelgue por segundos y asigne montones de memoria. Las versiones 5.0.5, 3.0.2, 2.0.3 y 1.1.13 solucionan el problema. Como soluci\u00f3n alternativa, sanee las cadenas pasadas a expand() para asegurar que no se utilice un valor de paso de 0."}], "lastModified": "2026-10-26T22:10:00.163", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:juliangruber:brace-expansion:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "3EC474EB-1EFC-4BF9-AF15-AEC3600D7400", "versionEndExcluding": "1.1.13"}, {"criteria": "cpe:2.3:a:juliangruber:brace-expansion:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "D072E860-8A88-42C8-ABCC-A2E57D1A09FB", "versionEndExcluding": "2.0.3", "versionStartIncluding": "2.0.0"}, {"criteria": "cpe:2.3:a:juliangruber:brace-expansion:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "32CE3566-9064-4CC7-8A52-38E16995F8FF", "versionEndExcluding": "3.0.2", "versionStartIncluding": "3.0.0"}, {"criteria": "cpe:2.3:a:juliangruber:brace-expansion:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "82D2D10D-92F3-4E73-856F-BCDD0F9B63AA", "versionEndExcluding": "5.0.5", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}