What’s Vulnerable › Vulnerabilities

CVE-2017-7957

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-04-29 · updated 2026-10-08
• Weakness: CWE-20

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.

Affected products

• Debian Linux: 8.0, 9.0
• Red Hat Fuse: 1.0
• RedHat Jboss Middleware: 1
• x-stream xstream: through 1.4.9

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
• https://access.redhat.com/errata/RHSA-2017:2888
• https://access.redhat.com/errata/RHSA-2017:2889
• https://exchange.xforce.ibmcloud.com/vulnerabilities/125800
• https://www-prd-trops.events.ibm.com/node/715749
• http://www.debian.org/security/2017/dsa-3841
• http://www.securityfocus.com/bid/100687
• http://www.securitytracker.com/id/1039499

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