UBUNTU-CVE-2026-90852

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Source
https://ubuntu.com/security/CVE-2026-90852
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90852.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-90852
Upstream
Published
2026-09-15T03:17:00Z
Modified
2026-09-16T14:03:36Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 5.5 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:24.04:LTS / zstd-jni-java

Package

Name
zstd-jni-java
Purl
pkg:deb/ubuntu/zstd-jni-java?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.5.2-5+ds-3
1.5.2-5+ds-3build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libzstd-jni-java",
            "binary_version":  "1.5.2-5+ds-3build1"
        },
        {
            "binary_name":  "libzstd-jni1",
            "binary_version":  "1.5.2-5+ds-3build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90852.json"

Ubuntu:26.04:LTS / zstd-jni-java

Package

Name
zstd-jni-java
Purl
pkg:deb/ubuntu/zstd-jni-java?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.5.2-5+ds-7
1.5.2-5+ds-7build1
1.5.2-5+ds-7ubuntu1
1.5.2-5+ds-8

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libzstd-jni-java",
            "binary_version":  "1.5.2-5+ds-8"
        },
        {
            "binary_name":  "libzstd-jni1",
            "binary_version":  "1.5.2-5+ds-8"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-90852.json"