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.
Published: 2021-06-02
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2657-1 lz4 security update
Debian DSA Debian DSA DSA-4919-1 lz4 security update
Ubuntu USN Ubuntu USN USN-4968-1 LZ4 vulnerability
Ubuntu USN Ubuntu USN USN-4968-2 LZ4 vulnerability
History

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Subscriptions

Lz4 Project Lz4
Netapp Active Iq Unified Manager Cloud Backup Ontap Select Deploy Administration Utility
Oracle Communications Cloud Native Core Policy Zfs Storage Appliance Kit
Redhat Amq Streams Camel Quarkus Enterprise Linux Integration Rhmt
Splunk Universal Forwarder
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T17:01:07.870Z

Reserved: 2021-04-28T00:00:00.000Z

Link: CVE-2021-3520

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-02T13:15:13.170

Modified: 2024-11-21T06:21:44.987

Link: CVE-2021-3520

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-04-28T00:00:00Z

Links: CVE-2021-3520 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses