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Ubuntu Linux CVE-2026-47332

| EUVD-2026-32987 MEDIUM
Out-of-bounds Read (CWE-125)
2026-05-28 canonical
Buffer Overflow Information Disclosure Ubuntu Ubuntu Linux
5.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

2
Analysis Generated
May 28, 2026 - 19:25 vuln.today
CVE Published
May 28, 2026 - 18:28 nvd
MEDIUM 5.5

DescriptionNVD

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.

AnalysisAI

Out-of-bounds read in Ubuntu Linux kernels 6.8, 6.17, and 7.0 exposes adjacent slab allocator memory to any local low-privileged user. The flaw originates in Canonical's Ubuntu-specific AppArmor SAUCE patches, which incorrectly validate the size of an internal structure during notification handling, enabling controlled reads past the intended memory boundary. …

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CVE-2026-47332 vulnerability details – vuln.today
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