CVE-2023-34455

snappy-java: Unchecked chunk length leads to DoS

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Severity

Moderate

Red Hat Product Security

5.9

CVSS 3.1

Review impact separately from score.

Published · June 16, 2023

Updated · October 9, 2026

Description

A flaw was found in Snappy-java's fileSnappyInputStream hasNextChunk function, which does not sufficiently evaluate input bytes before beginning operations. This issue could allow an attacker to send malicious input to trigger an out of memory error that crashes the program, resulting in a denial of service.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-1285 · Improper Validation of Specified Index, Position, or Offset in Input