CVE-2022-36944

scala: deserialization gadget chain

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Severity

Important

Red Hat Product Security

8.1

CVSS 3.1

Review impact separately from score.

Published · September 23, 2022

Updated · November 21, 2025

Description

A flaw was found in Scala's LazyList that permits code execution during deserialization. This issue could allow an attacker to craft a LazyList containing a malicious Function0 call to execute arbitrary code on a server that deserializes untrusted data.

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

Users of Scala's LazyList should never permit deserialization of untrusted data.

CVSS / CWE

CVSS 3.1 · 8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-502 · Deserialization of Untrusted Data