Vulnerabilities > CVE-2021-3405 - Out-of-bounds Write vulnerability in multiple products

CVSS 6.5 - MEDIUM

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

NVD

Published: 2021-02-23

Updated: 2023-11-07

Summary

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Vulnerable Configurations

Part	Description	Count
Application	Matroska Matroska Libebml - Matroska Libebml 0.8.0 Matroska Libebml 1.0.0 Matroska Libebml 1.2.0 Matroska Libebml 1.2.1 Matroska Libebml 1.2.2 Matroska Libebml 1.3.0 Matroska Libebml 1.3.1 Matroska Libebml 1.3.2 Matroska Libebml 1.3.3 Matroska Libebml 1.3.4 Matroska Libebml 1.3.5 Matroska Libebml 1.3.6 Matroska Libebml 1.3.7 Matroska Libebml 1.3.8 Matroska Libebml 1.3.9 Matroska Libebml 1.3.10 Matroska Libebml 1.4.0 Matroska Libebml 1.4.1	19
OS	Fedoraproject Fedoraproject Fedora 32 Fedoraproject Fedora 33 Fedoraproject Fedora 34	3
OS	Debian Debian Debian Linux 9.0	1

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References