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CVE-2026-47329: Ubuntu Linux 6.8, 6.17 and 7.0 contain SAUCE patches which fail to validate invalid sizes of the name field in

17
Routine
LOW 3.3WATCHLISTMITIGATE

CVE-2026-47329 is a low-severity flaw (CVSS 3.3) affecting ubuntu linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score3.3 (Low)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 100%)
CISA exploited listNo
WeaknessCWE-1284
Published2026-05-28
Last modified2026-10-26
Publisher (CNA): Canonical Ltd. · Vendor: canonical

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

canonical ubuntu linux MITIGATE
Affected: 24.04 · 25.10 · 26.04
Fixed in: no fixed release known
Safe to downgrade to: a release before 24.04
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-47329?

ubuntu linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-47329 being exploited?

CVE-2026-47329 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-47329 affect?

CVE-2026-47329 affects ubuntu linux. Severity is low (CVSS 3.3). 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 re

How urgent is CVE-2026-47329?

Priority 17/100. On your watchlist

Software pages

Ubuntu vulnerabilities

References

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