CVE-2026-90559

snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompress

Published Sep 12, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.

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
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description snappy-java through 1.1.10.8 contains an out-of-bounds write vulnerability in Snappy.uncompress(ByteBuffer, ByteBuffer) because destination buffer capacity is never validated against decompressed size. Attackers can supply valid compressed data that decompresses larger than the destination buffer, causing writes past buffer boundaries and JVM termination.
Title snappy-java through 1.1.10.8 Out-of-Bounds Write via uncompress
First Time appeared Xerial
Xerial snappy-java
Weaknesses CWE-787
CPEs cpe:2.3:a:xerial:snappy-java:*:*:*:*:*:*:*:*
Vendors & Products Xerial
Xerial snappy-java
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 8, 2026, 3:51 PM
Reserved
Sep 12, 2026, 11:13 AM
Status
Awaiting Analysis
Published
Sep 12, 2026, 6:16 PM
Modified
Oct 8, 2026, 4:17 PM