CVE-2019-11503: Canonical Snapd

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

snap-confine as included in snapd before 2.39 did not guard against symlink races when performing the chdir() to the current working directory of the calling user, aka a "cwd restore permission bypass."

Affected products

• Canonical Snapd: before 2.39 (fixed in 2.39)

Published 2019-04-24. Last modified 2026-06-17.