GHSA-7hwc-46rm-65jh · Severity: high · Ecosystem: maven — Denial of service in XStream
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.
Conclusion & alert: CVE-2017-7957 is rated Moderate Risk (64.3/100): CVSS High severity, with high exploitation likelihood (EPSS 5.06%, 91th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.42% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 2.64% | 5.06% | +2.42% |
| 2 | 2026-03-10 | 2.95% | 2.64% | -0.31% |
| 3 | 2025-11-21 | — | 2.95% | — |
Full EPSS history (25 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
GHSA-7hwc-46rm-65jh · Severity: high · Ecosystem: maven — Denial of service in XStream
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-7957 not yet assigned priority: Debian including 1 source packages (libxstream-java), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-7957 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-7957 |
suse
|
high | — | https://www.suse.com/security/cve/CVE-2017-7957/ |
ubuntu
|
medium | CVE-2017-7957 medium priority: Ubuntu including 1 source packages (libxstream-java), 8 status rows across 8 suites (artful, bionic, precise, trusty, upstream, xenial, yakkety, zesty): ignored 3, not-affected 2, released 2, needs-triage 1. | https://ubuntu.com/security/CVE-2017-7957 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| redhat | fuse | 1.0 | cpe:2.3:a:redhat:fuse:1.0:*:*:*:*:*:*:* |
| redhat | jboss_middleware | 1 | cpe:2.3:a:redhat:jboss_middleware:1:*:*:*:*:*:*:* |
| xstream | xstream | <= 1.4.9 | cpe:2.3:a:xstream:xstream:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.debian.org/security/2017/dsa-3841 | Mailing List Third Party Advisory |
| http://www.securityfocus.com/bid/100687 | Broken Link Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1039499 | Broken Link Third Party Advisory VDB Entry |
| http://x-stream.github.io/CVE-2017-7957.html | Vendor Advisory |
| https://access.redhat.com/errata/RHSA-2017:1832 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2888 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2889 | Third Party Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 | Third Party Advisory VDB Entry |
| https://www-prd-trops.events.ibm.com/node/715749 | Broken Link Permissions Required |