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CVE-2017-7957
XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type…
- 7.5HighCVSS base score
- 4.9%Exploitation in 30 daysEPSS · top 7.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 10 days later
· 10 days later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.9% · top 7.8% of all CVEs (9 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavencom.thoughtworks.xstream:xstreamGHSA-7hwc-46rm-65jh (opens in a new tab)
References
9
- RHSA-2017:2888 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:1832 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:2889 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1039499 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://www-prd-trops.events.ibm.com/node/715749 (opens in a new tab)x_refsource_CONFIRMx_transferred
- xstream-cve20177957-dos(125800) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- DSA-3841 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://x-stream.github.io/CVE-2017-7957.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 100687 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-0471 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7hwc-46rm-65jh (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-7957)Record last updated .