Wind River Support Network

Meet the Support Network

Home CVE Database CVE-2021-3696

CVE-2021-3696

Description

A heap out-of-bounds write may heppen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availablity impact may be considered Low as it\'s very complex to an attacker control the encoding and positioning of corrupted Huffman entries to achieve results such as arbitrary code execution and/or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.

Priority: MEDIUM
CVSS v3: 4.5
Component: grub2
Publish Date: Jun 9, 2022
Related ID: --
CVSS v2: MEDIUM
Modified Date: Jun 9, 2022

Find out more about CVE-2021-3696 from the MITRE-CVE dictionary and NIST NVD


Products Affected

Login may be required to access defects or downloads.

Product Name Status Defect Fixed Downloads
Linux
Wind River Linux LTS 17 Fixed LIN10-10194
10.17.41.27 --
Wind River Linux 8 Requires LTSS -- -- --
Wind River Linux 9 Requires LTSS -- -- --
Wind River Linux 7 Requires LTSS -- -- --
Wind River Linux LTS 21 Fixed LIN1021-3751
10.21.20.16 --
Wind River Linux LTS 22 Fixed -- 10.22.33.1 --
Wind River Linux LTS 18 Fixed LIN1018-9366
10.18.44.27 --
Wind River Linux LTS 19 Fixed LIN1019-8421
10.19.45.24 --
Wind River Linux CD release Fixed LINCD-9534
10.22.36.0 --
Wind River Linux 6 Requires LTSS -- -- --
Wind River Linux LTS 23 Not Vulnerable -- -- --
VxWorks
VxWorks 7 Not Vulnerable -- -- --
VxWorks 6.9 Not Vulnerable -- -- --
Helix Virtualization Platform Cert Edition
Helix Virtualization Platform Cert Edition Not Vulnerable -- -- --

Related Products

Product Name Status Defect Fixed Downloads

Notes
Requires LTSS - customers must have active LTSS (Long Term Security Shield) Support to receive up-to-date information about vulnerabilities that may affect legacy software. Please contact your Wind River account team or see https://docs.windriver.com/bundle/Support_and_Maintenance_Supplemental_Terms_and_Conditions and https://support2.windriver.com/index.php?page=plc for more information.
Live chat
Online