CVE-2023-43642
snappy-java: Missing upper bound check on chunk length in snappy-java can lead to Denial of Service (DoS) impact
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 26, 2023
Updated · October 20, 2026
Description
A flaw was found in SnappyInputStream in snappy-java, a data compression library in Java. This issue occurs when decompressing data with a too-large chunk size due to a missing upper bound check on chunk length. An unrecoverable fatal error can occur, resulting in a Denial of Service (DoS).
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 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 · Allocation of Resources Without Limits or Throttling