CVE-2025-58186

{"id": "CVE-2025-58186", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2025-10-29T23:16:19.547", "references": [{"url": "https://go.dev/cl/709855", "source": "security@golang.org"}, {"url": "https://go.dev/issue/75672", "source": "security@golang.org"}, {"url": "https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI", "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2025-4012", "source": "security@golang.org"}, {"url": "http://www.openwall.com/lists/oss-security/2025/10/08/1", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "descriptions": [{"lang": "en", "value": "Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as \"a=;\", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption."}], "lastModified": "2025-11-04T22:16:33.450", "sourceIdentifier": "security@golang.org"}