PT-2026-44475 · Canonical+1 · Ubuntu+1

CVE-2026-47326 · Published 2026-05-28 · Updated 2026-07-20

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Ubuntu Linux version 6.8 Ubuntu Linux version 6.17 Ubuntu Linux version 7.0

Description SAUCE patches contain a memory leak when handling large responses to AppArmor notifications. An unprivileged local user can trigger this issue, which may lead to resource exhaustion.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2026-47326

USN-8370-1

USN-8371-1

USN-8373-1

USN-8374-1

USN-8393-1

USN-8440-1

USN-8461-1

USN-8489-1

USN-8497-1

USN-8499-1

USN-8569-1

Affected Products

Linuxmint

Ubuntu

References · 1395

• https://ubuntu.com/security/CVE-2026-45921 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45842 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53122 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45882 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-52956 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23049 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68727 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31583 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-52944 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-53085 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46226 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31577 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23100 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23230 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46131 · Vendor Advisory