Upstream information

CVE-2021-3405 at MITRE

Description

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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 15.3
  • libebml5 >= 1.4.2-bp153.1.1
 Patchnames:
openSUSE Leap 15.3 GA libebml5-1.4.2-bp153.1.1
openSUSE Leap 15.4
  • libebml5 >= 1.4.2-bp154.2.69
 Patchnames:
openSUSE Leap 15.4 GA libebml5-1.4.2-bp154.2.69
openSUSE Tumbleweed
  • libebml-devel >= 1.4.2-2.3
  • libebml5 >= 1.4.2-2.3
  • libebml5-32bit >= 1.4.2-2.3
 Patchnames:
openSUSE-Tumbleweed-2024-10937

SUSE Timeline for this CVE

CVE page created: Tue Feb 9 21:44:06 2021
CVE page last modified: Mon Oct 6 19:28:11 2025