> USN-8779-1: Bubblewrap vulnerabilities

[SOURCE] Ubuntu Security Notices [DATE: 17/09/2026 15:50] [LANGUAGE: EN]

It was discovered that Bubblewrap incorrectly handled certain temporary
directories. A local attacker could possibly use this issue to cause a
denial of service or execute arbitrary code. This issue only affected
Ubuntu 18.04 LTS. (CVE-2019-12439)

It was discovered that Bubblewrap incorrectly handled certain symlinks
during sandbox setup. A local attacker could possibly use this issue to
create files outside of the sandbox. (CVE-2026-87766)

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