{"cve":"CVE-2017-7957","nvd":{"published":"2017-04-29T19:59:00.167","modified":"2026-10-08T21:17:05.933","status":"Analyzed","description":"XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML(\"<void/>\") call.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["http://www.debian.org/security/2017/dsa-3841","http://www.securityfocus.com/bid/100687","http://www.securitytracker.com/id/1039499","http://x-stream.github.io/CVE-2017-7957.html","https://access.redhat.com/errata/RHSA-2017:1832"],"products":["debian:debian_linux","redhat:fuse","redhat:jboss_middleware","xstream:xstream"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2017-7957","score":0.04928,"percentile":0.92071,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-7hwc-46rm-65jh","url":"https://osv.dev/vulnerability/GHSA-7hwc-46rm-65jh","summary":"Denial of service in XStream","modified":"2025-05-23T19:46:57.847104Z","packages":[{"ecosystem":"Maven","name":"com.thoughtworks.xstream:xstream","purl":"pkg:maven/com.thoughtworks.xstream/xstream","ranges":["<1.4.10"],"fixed":["1.4.10"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}