vulnerability
Arch Linux: Arbitrary code execution (CVE-2021-3696)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:C) | Jul 6, 2022 | Jul 11, 2025 | Jan 16, 2026 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
Jul 6, 2022
Added
Jul 11, 2025
Modified
Jan 16, 2026
Description
A heap out-of-bounds write may happen during the handling of Huffman tables in the PNG reader. This may lead to data corruption in the heap space. Confidentiality, Integrity and Availability 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.
Solution
arch-linux-upgrade-latest
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