CVE-2026-89046

zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Negative Offset

Published Sep 10, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Luben
Luben zstd-jni
Vendors & Products Luben
Luben zstd-jni
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.
Title zstd-jni 1.5.5-6 through 1.5.7-13 Out-of-Bounds Read via Negative Offset
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H'}

cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 10, 2026, 6:10 PM
Reserved
Sep 10, 2026, 4:45 PM
Status
Awaiting Analysis
Published
Sep 10, 2026, 6:18 PM
Modified
Sep 10, 2026, 7:54 PM
Severity
Important
Public date
Sep 10, 2026, 5:39 PM