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Ubuntu snap-confine patch release (CVE-2026-8933)

Security Patch Release
First reported
Last updated
Happening score
H score 36
1 unique sources, 1 articles

Summary

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Canonical and the Ubuntu Security Team released patches for snapd/snap-confine to fix CVE-2026-8933, which can grant full root access on default Ubuntu Desktop 24.04, 25.10 and 26.04 installations.

Related Happenings

Linux kernel maintainers security patch release for CVE-2026-43503

Security Patch Release
H score34 First: 26.06.2026 14:51 Last: 26.06.2026 14:51 Sources 1

About this happening: Linux kernel merged and shipped the DirtyClone security fix for CVE-2026-43503, closing a CVSS 8.8 local privilege-escalation path that could let affected systems...

Open Happening

Dify security patch release for CVE-2026-41947

Security Patch Release
H score34 First: 22.06.2026 19:13 Last: 22.06.2026 19:13 Sources 1

About this happening: Dify shipped version 1.14.2 to fix most of the DifyTap vulnerabilities, closing cross-tenant paths that could expose AI chats, uploaded files, and internal API...

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Linux kernel Dirty Frag patch release (CVE-2026-43284, CVE-2026-43500)

Security Patch Release
H score32 First: 11.05.2026 17:30 Last: 11.05.2026 17:30 Sources 1

About this happening: Major Linux distributions are rolling out fixes for Dirty Frag, the Linux kernel patch release that covers CVE-2026-43284 and CVE-2026-43500. The update matter...

Open Happening

CISA KEV action for CVE-2026-31431 and FCEB remediation

Public Sector Action
H score37 First: 03.05.2026 09:26 Last: 03.05.2026 09:26 Sources 1

About this happening: CISA added CVE-2026-31431 to its KEV catalog, putting Federal Civilian Executive Branch (FCEB) agencies on notice to remediate an actively exploited Linux privilege-es...

Open Happening

Linux distributions mitigation advisories for CVE-2026-31431

Advisory/Mitigation
H score39 First: 30.04.2026 12:24 Last: 30.04.2026 12:24 Sources 1

About this happening: Multiple Linux distributions released advisories for CVE-2026-31431, adding mitigation guidance for a Linux kernel local privilege escalation that can let an unprivile...

Open Happening

Timeline

  1. 22.07.2026 13:50 2 articles · 1h ago

    Canonical releases snapd patches for CVE-2026-8933

    Mitigation Patch Update

    Canonical released patches through the Ubuntu Security Team following coordinated disclosure, and administrators were urged to apply the latest snapd updates immediately to reduce the risk of local root compromise on default Ubuntu Desktop systems.

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  2. 21.07.2026 03:00 1 articles · 1d ago

    Qualys discloses CVE-2026-8933 in Ubuntu snap-confine

    Initial Disclosure

    Qualys Threat Research Unit disclosed CVE-2026-8933 in snap-confine, the Ubuntu component that builds the execution environment for snap applications, and said the flaw can give full root access to any local user on default Ubuntu Desktop 24.04, 25.10 and 26.04 installations.

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