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Vulnerabilities

Vulnerability · CVE-2026-90852

A vulnerability has been found in luben zstd-jni up to 1.5.7-13.

Published Sep 15, 2026 · catalog updated Oct 18, 2026 · A vulnerability has been

Check if you run it

No confirmed exploitation is on record for CVE-2026-90852. EPSS is 0.54%. Act only if a listed version of A vulnerability has been is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A vulnerability has been).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.54%
Remediation
Advisory link
Affected products
Debian:12 zstd-jni-java · Debian:13 zstd-jni-java · Debian:14 zstd-jni-java

A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issue. The name of the patch is a560131d7834598afd9cea6b7c107bc88e915936. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 zstd-jni-java1.5.2-5+ds-3, 1.5.2-5+ds-4, 1.5.2-5+ds-5
  • Debian:13 zstd-jni-java1.5.2-5+ds-7, 1.5.2-5+ds-8, 1.5.4-2+ds-1
  • Debian:14 zstd-jni-java0 → 1.5.7-23+ds-1

How to fix CVE-2026-90852

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-90852. EPSS is 0.54%. Act only if a listed version of A vulnerability has been is installed.

Which versions are affected?

Compare what you have installed with 1.5.2-5+ds-3, 1.5.2-5+ds-4, 1.5.2-5+ds-5, 1.5.2-5+ds-7, 1.5.2-5+ds-8, 1.5.4-2+ds-1, 0 → 1.5.7-23+ds-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.54%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2026 · Trivy Vulnerability DB

    Detected

    A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issu

  2. Oct 18, 2026 · Trivy Vulnerability DB

    Fix available

    zstd-jni-java fixed in 1.5.7-23+ds-1

  3. Oct 18, 2026 · Trivy Vulnerability DB

    Fix available

    zstd-jni-java fixed in 1.5.7-23+ds-1

  4. Oct 18, 2026 · Trivy Vulnerability DB

    Updated

    A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issu

Sources

  • CVE.orgVulnerability recordCVE-2026-90852

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-90852

    30-day exploitation probability 0.5%

    first.org
  • Trivy Vulnerability DBPackage advisoryDEBIAN-CVE-2026-90852

    A vulnerability has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely.

    osv.dev

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.