UBUNTU-CVE-2026-87877

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Source
https://ubuntu.com/security/CVE-2026-87877
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-87877.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-87877
Upstream
Published
2026-09-09T15:17:00Z
Modified
2026-09-16T14:02:39Z
Severity
  • 7.7 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS Calculator
  • 7.0 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM.

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-2026-87877.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-2026-87877.json"