Out-of-bounds write in snappy-java - #VU153265
Published: October 5, 2026
Vulnerability identifier: #VU153265
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: N/A
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an out-of-bounds write in the Snappy.uncompress*Array typed-array methods when processing compressed input with a declared uncompressed length that is not a multiple of the element size. A remote attacker can supply crafted compressed input to cause a denial of service.
Native code can write up to 7 bytes past the end of the Java array.
Affected software
snappy-java
Remediation
Install security update from vendor's website.
snappy-java - update to 1.1.10.9