Description
Sylabs Singularity 3.2.0 through 3.6.2 has Insecure Permissions on temporary directories used in fakeroot or user namespace container execution.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.04 LTS | singularity-container | No fix yet | — |
| Ubuntu 25.10 | singularity-container | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | singularity-container | No fix yet | — |
| Ubuntu Pro 18.04 LTS | singularity-container | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | singularity | 3.6.3-bp152.2.8.1 | openSUSE-SU-2020:1529-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | singularity | 3.8.3-1.2 | openSUSE-SU-2024:11384-1 |
| openSUSE Leap 15.2 | singularity | 3.6.3-lp152.2.6.1 | openSUSE-SU-2020:1497-1 |
| openSUSE Leap 15.1 | singularity | 3.6.3-lp152.2.6.1 | openSUSE-SU-2020:1497-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | singularity | 3.6.3-r0 | — |
| Alpine v3.23 | singularity | 3.6.3-r0 | — |
| Alpine v3.22 | singularity | 3.6.3-r0 | — |
| Alpine v3.21 | singularity | 3.6.3-r0 | — |
| Alpine v3.20 | singularity | 3.6.3-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | singularity | 3.6.3-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/sylabs/singularity | >= 3.2.0, < 3.6.3 | 3.6.3 | GHSA-w6v2-qchm-grj7 |
Advisories 3
- openSUSE-SU-2020:1497-1 Security update for singularity SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1529-1 Security update for singularity SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11384-1 singularity-3.8.3-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026