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Vulnerability Database · Debian · Package report

libxstream-java: vulnerability history, versions and safety

libxstream-java is a package in the Debian ecosystem. Vulert records 76 vulnerabilities for it across 11 releases, from May 2016 to Dec 2024. Each vulnerability names the versions it affects, the fixed version to move to, and a workaround where no fix has been published.

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76 vulnerabilities recorded U76
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2 with no fix published

No patched version yet — these are the ones to plan around.

See the unfixed vulnerabilities →
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0 in the last 12 months

Nothing new recorded in the last year.

See the disclosure history →
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0 malicious-package vulnerabilities

No published version shipped hostile code.

See all libxstream-java vulnerabilities

Vulert verdict on libxstream-java i

Updated on 23 Oct 2026

Careful: 2 of the 76 vulnerabilities Vulert records for this package have no fix yet. Plan around those, or apply the workaround listed for each. The rest have a fixed version to move to.

Long-term outlook: usable, but needs attention 76 vulnerabilities on record across 8 years, none in the last year.

What to do: Plan around the 2 vulnerabilities with no published fix: each lists the affected range and any workaround that reduces exposure. No fix yet: Vulert alerts you the moment one is published. Monitor it with Vulert →

  • Vulnerabilities on record 76 over 8 years · 0 in the last year i
  • Latest disclosure 21 Dec 2024 i
  • Highest CVSS 9.9 i
  • With no published fix 2 i

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01 Versions

Which versions are affected

Every version Vulert holds for libxstream-java, newest first, with the vulnerabilities that name it. A version with a count of zero has no recorded vulnerabilities; open a version to see the vulnerabilities it is exposed to.

Newest 11 of 11 versions on record. Severity counts are the vulnerabilities recorded against that exact release.

02 Disclosure history

How often vulnerabilities are recorded

  • 2016 2
  • 2017 2
  • 2019 4
  • 2020 6
  • 2021 52
  • 2022 6
  • 2023 1
  • 2024 3

Counted by the year Vulert recorded each vulnerability — the same date the table below shows as disclosed. 0 of the 76 were recorded in the last 12 months.

03 Vulnerabilities

Recorded vulnerabilities for libxstream-java

The 5 most severe of 76 vulnerabilities recorded for this package

Search all 76 in the database →
Vulnerability Severity Fixed version ↑ Disclosed ↑
Critical Command Execution Vulnerability in libxstream-java: CVE-2021-21345 9.9 critical 1.4.15-2 23 Mar 2021
Critical Remote Code Execution Vulnerability in libxstream-java (CVE-2021-21346) 9.8 critical 1.4.15-2 23 Mar 2021
Remote Code Execution Vulnerability in libxstream-java - CVE-2021-21347 9.8 critical 1.4.15-2 23 Mar 2021
Remote Code Execution Vulnerability in XStream Library (CVE-2021-21344) 9.8 critical 1.4.15-2 23 Mar 2021
Critical Remote Code Execution Vulnerability in libxstream-java 9.8 critical 1.4.15-2 23 Mar 2021

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Updated: 23/Oct/2026 · Vulnerabilities in our DB: 524315

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Questions

About libxstream-java

Is libxstream-java safe to use?

Vulert records 76 vulnerabilities for libxstream-java in Debian: 0 critical, 0 high, 0 medium and 0 low, plus 76 not yet rated. 2 of them have no published fix yet, so those are the ones to avoid or mitigate.

How many vulnerabilities does libxstream-java have?

76 vulnerabilities are recorded for libxstream-java in the Debian ecosystem: 0 critical, 0 high, 0 medium and 0 low, plus 76 not yet rated. The ledger on this page lists the same counts next to the date of the most recent disclosure.

How often are new libxstream-java vulnerabilities disclosed?

0 vulnerabilities were recorded for libxstream-java in the last 12 months, and the oldest entry in this database dates to 17 May 2016. Recency matters more than a lifetime total: it shows how actively new issues are being disclosed for the package you are considering.

Which versions of libxstream-java are affected?

Each vulnerability on this page lists the affected version range and the fixed version to move to. Open the vulnerability for the version you actually run — fixes are specific to a release line, not to the package as a whole.

How do I monitor libxstream-java for upcoming vulnerabilities?

Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the libxstream-java version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.