CVE-2026-9639
Multiple security issues were discovered in LXD, a system container and virtual machine manager, which could result in a bypass of security restrictions or the execution of arbitrary commands. https://security-tracker.debian.org/tracker/DSA-6373-1
CSIRTS triage
- What
- Multiple security issues in LXD could allow bypass of security restrictions or execution of arbitrary commands.
- Who is affected
- Deployments of LXD are affected.
- Urgency
- Remediation is necessary due to the potential for serious security breaches.
- Action
- Apply the latest security update for LXD.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 31% of all EPSS-scored CVEs.
Advisory coverage (2)
- unknownDSA-6373-1 lxd - security updatedebian · 2026-06-28
- mediumCVE-2026-9639: Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Li…nvd · 2026-06-26
External references
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[](https://www.csirts.com/cve/CVE-2026-9639)