CVE-2026-47329: CWE-1284 Improper validation of specified quantity in input in Canonical Ubuntu Linux
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-47329) affects Ubuntu Linux versions 6.8.0, 6.17.0, and 7.0.0, where SAUCE patches fail to properly validate invalid sizes of the name field in AppArmor notification responses. The flaw can be triggered by an unprivileged local user, leading to improper handling of crafted responses. The CVSS 3.1 base score is 3.3, reflecting low severity with limited impact (no confidentiality or availability loss, only integrity impact). No official fix or remediation level has been published by Canonical as of the data provided.
Potential Impact
The vulnerability allows an unprivileged local user to cause improper handling of crafted AppArmor notification responses due to invalid size validation. The impact is limited to potential integrity issues without affecting confidentiality or availability. There are no known exploits in the wild, and the overall severity is low.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Canonical's advisories for updates. No specific mitigation steps are documented at this time.
CVE-2026-47329: CWE-1284 Improper validation of specified quantity in input in Canonical Ubuntu Linux
Description
Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in AppAmor notification responses. The bug can be triggered by an unprivileged local user and could result in handling of crafted responses.
CVSS v3.1
Score 3.3low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-47329) affects Ubuntu Linux versions 6.8.0, 6.17.0, and 7.0.0, where SAUCE patches fail to properly validate invalid sizes of the name field in AppArmor notification responses. The flaw can be triggered by an unprivileged local user, leading to improper handling of crafted responses. The CVSS 3.1 base score is 3.3, reflecting low severity with limited impact (no confidentiality or availability loss, only integrity impact). No official fix or remediation level has been published by Canonical as of the data provided.
Potential Impact
The vulnerability allows an unprivileged local user to cause improper handling of crafted AppArmor notification responses due to invalid size validation. The impact is limited to potential integrity issues without affecting confidentiality or availability. There are no known exploits in the wild, and the overall severity is low.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Canonical's advisories for updates. No specific mitigation steps are documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- canonical
- Date Reserved
- 2026-05-19T10:37:36.433Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a188e08e29bf47b501d681a
Added to database: 5/28/2026, 6:48:40 PM
Last enriched: 5/28/2026, 7:05:02 PM
Last updated: 5/29/2026, 8:19:52 AM
Views: 7
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