High
Security advisory
XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-29505
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:37 UTC · Revision 1
Source evidence
XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.
osv:CVE-2021-29505
Complete source record
{
"id": "b9c9d453716f741fa5580bb812af5e98de015632b852fa2c28c20f842fc89e75",
"url": "https://osv.dev/vulnerability/CVE-2021-29505",
"method": "structured",
"payload": {
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"title": "CVE-2021-29505",
"summary": "XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.",
"evidence": "osv:CVE-2021-29505",
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"metrics": [
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"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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"affected": [
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"versions": [
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"XSTREAM_1_4_11",
"XSTREAM_1_4_10",
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],
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"target": {
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"function": "setupSecurity"
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{
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"target": {
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],
"modified": "2026-10-20T14:03:43.790194444Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f@%3Cdev.jmeter.apache.org%3E",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7",
"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB",
"https://x-stream.github.io/CVE-2021-29505.html",
"https://github.com/x-stream/xstream/security/advisories/GHSA-7chv-rrw6-w6fc",
"https://lists.debian.org/debian-lts-announce/2021/07/msg00004.html",
"https://security.netapp.com/advisory/ntap-20210708-0007",
"https://security.netapp.com/advisory/ntap-20210708-0007/",
"https://www.debian.org/security/2021/dsa-5004",
"https://www.oracle.com/security-alerts/cpujul2022.html",
"https://www.oracle.com/security-alerts/cpuoct2021.html",
"https://lists.apache.org/thread.html/r8ee51debf7fd184b6a6b020dc31df25118b0aa612885f12fbe77f04f%40%3Cdev.jmeter.apache.org%3E",
"https://github.com/x-stream/xstream/commit/24fac82191292c6ae25f94508d28b9823f83624f",
"https://github.com/x-stream/xstream/commit/f0c4a8d861b68ffc3119cfbbbd632deee624e227",
"https://www.oracle.com/security-alerts/cpuapr2022.html",
"https://www.oracle.com/security-alerts/cpujan2022.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/"
],
"provider_metadata": {
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{
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{
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{
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},
{
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"cpe:2.3:a:oracle:communications_unified_inventory_management:7.4.0:*:*:*:*:*:*:*",
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{
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{
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},
{
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},
{
"cpes": [
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},
"related_cves": [
{
"value": "CVE-2021-29505",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388530,
"published_at": "2021-05-28T21:15:08.713+00:00"
}