CVEvulnerability

CVE-2021-3520

9.8 CRITICAL Published 2021-06-02 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2021-06-02
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190, CWE-787

Description

There's a flaw in lz4. An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well.

Affected configurations

• lz4 project lz4 (>= 1.8.3 < 1.9.4) • netapp active iq unified manager • netapp cloud backup • netapp ontap select deploy administration utility • oracle communications cloud native core policy 1.14.0 • oracle zfs storage appliance kit 8.8 • splunk universal forwarder (>= 8.2.0 < 8.2.12) • splunk universal forwarder (>= 9.0.0 < 9.0.6) • splunk universal forwarder 9.1.0

Related

Weakness · CWE (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-787 Out-of-bounds Write weakness

References