CVE-2026-47332
Out-of-bounds read in Ubuntu Linux AppArmor notification handling
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly validate the size of an internal structure, leading to an out-of-bounds read in notification handling code. The bug can be triggered by an unprivileged local user and can result in information disclosure from adjacent slab objects.
| CWE | CWE-125 |
| Vendor | canonical |
| Product | ubuntu linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 28, 2026 |
| Last Updated | May 28, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Canonical / Ubuntu Linux
6.8.0 < 6.8.0-124.124 6.17.0 < 6.17.0-35.35 7.0.0 < 7.0.0-22.22
References
Credits
Tristan Madani (@TristanInSec), Talence Security