MediumFix available
zstd-jni-java — security advisory
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.
- Products
- zstd-jni-java
- Affected versions
- 1.5.2-5+ds-3, 1.5.2-5+ds-4, 1.5.2-5+ds-5, 1.5.2-5+ds-6, 1.5.2-5+ds-7, 1.5.2-5+ds-8, 1.5.4-2+ds-1, 1.5.4-2+ds-2, 1.5.4-2+ds-3~exp1, 1.5.4-2+ds-3~exp2, 1.5.4-2+ds-3~exp3, 1.5.4-2+ds-3~exp4, 1.5.7-23+ds-1, 1.5.7-23+ds-2
- Fixed versions
- 1.5.7-23+ds-1
- CVEs
- CVE-2026-90852
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 05:16 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2026-90852
zstd-jni-java
Fixed versions: Not specified
zstd-jni-java
Fixed versions: Not specified
zstd-jni-java
Fixed versions: 1.5.7-23+ds-1
Complete source record
{
"id": "cab1e2e415f49608e670a45e08be232bc8eb857c18b445a0a3a7a2e7f1e78190",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-90852",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-90852",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2026-90852",
"products": [
{
"name": {
"value": "zstd-jni-java",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.5.2-5+ds-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.2-5+ds-4",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.2-5+ds-5",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.2-5+ds-6",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.2-5+ds-7",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.2-5+ds-8",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-3~exp1",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-3~exp2",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-3~exp3",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.4-2+ds-3~exp4",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.7-23+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.5.7-23+ds-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "zstd-jni-java",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.5.2-5+ds-7",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.2-5+ds-8",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-3~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-3~exp2",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-3~exp3",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.4-2+ds-3~exp4",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.7-23+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.5.7-23+ds-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "zstd-jni-java",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.5.7-23+ds-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1.5.2-5+ds-7",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.2-5+ds-8",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-3~exp1",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-3~exp2",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-3~exp3",
"evidence": "/affected/2/versions"
},
{
"value": "1.5.4-2+ds-3~exp4",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-90852",
"aliases": [
"DEBIAN-CVE-2026-90852"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zstd-jni-java",
"purl": "pkg:deb/debian/zstd-jni-java?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.5.2-5+ds-3",
"1.5.2-5+ds-4",
"1.5.2-5+ds-5",
"1.5.2-5+ds-6",
"1.5.2-5+ds-7",
"1.5.2-5+ds-8",
"1.5.4-2+ds-1",
"1.5.4-2+ds-2",
"1.5.4-2+ds-3~exp1",
"1.5.4-2+ds-3~exp2",
"1.5.4-2+ds-3~exp3",
"1.5.4-2+ds-3~exp4",
"1.5.7-23+ds-1",
"1.5.7-23+ds-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90852.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "zstd-jni-java",
"purl": "pkg:deb/debian/zstd-jni-java?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.5.2-5+ds-7",
"1.5.2-5+ds-8",
"1.5.4-2+ds-1",
"1.5.4-2+ds-2",
"1.5.4-2+ds-3~exp1",
"1.5.4-2+ds-3~exp2",
"1.5.4-2+ds-3~exp3",
"1.5.4-2+ds-3~exp4",
"1.5.7-23+ds-1",
"1.5.7-23+ds-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90852.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.5.7-23+ds-1"
}
]
}
],
"package": {
"name": "zstd-jni-java",
"purl": "pkg:deb/debian/zstd-jni-java?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.5.2-5+ds-7",
"1.5.2-5+ds-8",
"1.5.4-2+ds-1",
"1.5.4-2+ds-2",
"1.5.4-2+ds-3~exp1",
"1.5.4-2+ds-3~exp2",
"1.5.4-2+ds-3~exp3",
"1.5.4-2+ds-3~exp4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-90852.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-18T04:00:08.912306556Z",
"provider": "osv",
"upstream": [
"CVE-2026-90852"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-90852"
]
},
"related_cves": [
{
"value": "CVE-2026-90852",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 366687,
"published_at": "2026-09-15T03:17:06.377+00:00"
}