CVE-2021-3696

State
Published
Severity
Not scored
Published
Jul 6, 2022
Updated
Aug 3, 2024
Reserved
Aug 10, 2021

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

Affected Products

ProductVersions
grub2n/a
  • grub-2.06Affected

References

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