Description
bubblewrap.c in Bubblewrap before 0.3.3 misuses temporary directories in /tmp as a mount point. In some particular configurations (related to XDG_RUNTIME_DIR), a local attacker may abuse this flaw to prevent other users from executing bubblewrap or potentially execute code.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | bubblewrap | 0.3.1-3 | — |
| Debian 13 | bubblewrap | 0.3.1-3 | — |
| Debian 12 | bubblewrap | 0.3.1-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | bubblewrap | 0.11.1-1ubuntu0.2 | USN-8779-1 |
| Ubuntu 24.04 LTS | bubblewrap | 0.9.0-1ubuntu0.2 | USN-8779-1 |
| Ubuntu 22.04 LTS | bubblewrap | 0.6.1-1ubuntu0.2 | USN-8779-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | bubblewrap | 0.4.0-1ubuntu4.1+esm2 | USN-8779-1 |
| Ubuntu Pro 18.04 LTS | bubblewrap | 0.2.1-1ubuntu0.1+esm2 | USN-8779-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat CloudForms 5 | ansible-runner +1 | 1.3.4-2.el7ar | RHSA-2019:1833 |
| Red Hat CloudForms 5 | ansible-tower +5 | 3.5.0-1.el7at | RHSA-2019:1833 |
| Red Hat CloudForms 5 | bubblewrap | 0.3.3-2.el7at | RHSA-2019:1833 |
| Red Hat CloudForms 5 | cfme +5 | 5.10.7.1-1.el7cf | RHSA-2019:1833 |
| Red Hat CloudForms 5 | ovirt-ansible-hosted-engine-setup | 1.0.20-1.el7ev | RHSA-2019:1833 |
| Red Hat CloudForms 5 | ovirt-ansible-image-template | 1.1.11-1.el7ev | RHSA-2019:1833 |
| Red Hat CloudForms 5 | ovirt-ansible-manageiq | 1.1.14-1.el7ev | RHSA-2019:1833 |
| Red Hat CloudForms 5 | ovirt-ansible-vm-infra | 1.1.18-1.el7ev | RHSA-2019:1833 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | bubblewrap | 0.2.0-3.3.1 | SUSE-SU-2019:1826-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | bubblewrap | 0.5.0-1.1 | openSUSE-SU-2024:10663-1 |
| openSUSE Leap 15.1 | bubblewrap | 0.3.3-lp151.2.3.1 | openSUSE-SU-2019:1535-1 |
| openSUSE Leap 15.0 | bubblewrap | 0.2.0-lp150.2.3.1 | openSUSE-SU-2019:1721-1 |
Advisories 7
- USN-8779-1 bubblewrap vulnerabilities Ubuntu Security Notices (USN) · Sep 18, 2026
- WID-SEC-2026-3442 Red Hat CloudForms: Schwachstelle ermöglicht Ausführen von beliebigem Programmcode mit Benutzerrechten BSI CERT-Bund (WID) · Sep 17, 2026
- RHSA-2019:1833 Red Hat Security Advisory: CloudForms 4.7.7 security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Feb 21, 2026
- SUSE-SU-2019:1826-1 Security update for bubblewrap SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10663-1 bubblewrap-0.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1535-1 Security update for bubblewrap SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1721-1 Security update for bubblewrap SUSE / openSUSE Security Updates · May 7, 2025
References
- https://github.com/projectatomic/bubblewrap/issues/304
- https://github.com/projectatomic/bubblewrap/commit/efc89e3b939b4bde42c10f065f6b7b02958ed50e
- https://bugzilla.redhat.com/show_bug.cgi?id=1695963
- https://github.com/projectatomic/bubblewrap/releases/tag/v0.3.3
- openSUSE-SU-2019:1535 vendor-advisory
- openSUSE-SU-2019:1721 vendor-advisory
- RHSA-2019:1833 vendor-advisory
- GLSA-202006-18 vendor-advisory