{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49476", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-30T04:17:43.095Z", "datePublished": "2026-07-14T20:53:12.497Z", "dateUpdated": "2026-07-14T20:53:12.497Z"}, "containers": {"cna": {"title": "Soup Sieve: Memory Exhaustion via Large Comma-Separated Selector Lists in soupsieve", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/facelessuser/soupsieve/security/advisories/GHSA-2wc2-fm75-p42x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/facelessuser/soupsieve/security/advisories/GHSA-2wc2-fm75-p42x"}, {"name": "https://github.com/facelessuser/soupsieve/commit/28108ab805818c832d9568142a99844fd95a0d39", "tags": ["x_refsource_MISC"], "url": "https://github.com/facelessuser/soupsieve/commit/28108ab805818c832d9568142a99844fd95a0d39"}, {"name": "https://github.com/facelessuser/soupsieve/releases/tag/2.8.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/facelessuser/soupsieve/releases/tag/2.8.4"}], "affected": [{"vendor": "facelessuser", "product": "soupsieve", "versions": [{"version": "< 2.8.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-14T20:53:12.497Z"}, "descriptions": [{"lang": "en", "value": "Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists, allowing an attacker who can supply a crafted selector string to soupsieve.compile() or Beautiful Soup .select() / .select_one() to allocate hundreds of megabytes of heap memory from a relatively small input and cause denial of service. This issue is fixed in version 2.8.4."}], "source": {"advisory": "GHSA-2wc2-fm75-p42x", "discovery": "UNKNOWN"}}}}

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