CVE-ID |
CVE-2021-3696
|
• CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
|
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.
|
References |
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
|
|
Assigning CNA |
Red Hat, Inc. |
Date Record Created |
20210810 |
Disclaimer: The record creation date may reflect when
the CVE ID was allocated or reserved, and does not
necessarily indicate when this vulnerability was
discovered, shared with the affected vendor, publicly
disclosed, or updated in CVE.
|
Phase (Legacy) |
Assigned (20210810) |
Votes (Legacy) |
|
Comments (Legacy) |
|
Proposed (Legacy) |
N/A |
This is a record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities. |
|
For More Information: CVE Request Web Form (select "Other" from dropdown)
|