Description
Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or "umoci raw unpack" is used.
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 | umoci | 0.4.7+ds-1 | — |
| Debian 13 | umoci | 0.4.7+ds-1 | — |
| Debian 12 | umoci | 0.4.7+ds-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | umoci | No fix yet | — |
| Ubuntu 20.04 LTS | umoci | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | umoci | 0.4.7-3.12.1 | SUSE-SU-2021:1863-2, SUSE-SU-2021:1863-1 |
| SLES 15 SP2 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SLES 15 SP1 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SLE HPC 15 SP1 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SUSE Package Hub 15 SP2 | singularity | 3.7.3-bp152.2.19.3 | openSUSE-SU-2021:0810-1 |
| SUSE Manager Server 4.0 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SUSE Manager Retail Branch Server 4.0 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SUSE Manager Proxy 4.0 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
| SUSE Enterprise Storage 6 | umoci | 0.4.6-3.9.1 | SUSE-SU-2021:1863-1, SUSE-SU-2021:1116-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | singularity | 3.8.3-1.2 | openSUSE-SU-2024:11384-1 |
| openSUSE Tumbleweed | umoci | 0.4.7-2.3 | openSUSE-SU-2024:11482-1 |
| openSUSE Leap 15.3 | umoci | 0.4.7-3.12.1 | openSUSE-SU-2021:1863-1 |
| openSUSE Leap 15.2 | umoci | 0.4.6-lp152.2.3.1 | openSUSE-SU-2021:0846-1, openSUSE-SU-2021:0548-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | singularity | 3.7.3-r0 | — |
| Alpine v3.24 | umoci | 0.4.7-r0 | — |
| Alpine v3.23 | singularity | 3.7.3-r0 | — |
| Alpine v3.23 | umoci | 0.4.7-r0 | — |
| Alpine v3.22 | singularity | 3.7.3-r0 | — |
| Alpine v3.22 | umoci | 0.4.7-r0 | — |
| Alpine v3.21 | singularity | 3.7.3-r0 | — |
| Alpine v3.21 | umoci | 0.4.7-r0 | — |
| Alpine v3.20 | singularity | 3.7.3-r0 | — |
| Alpine v3.20 | umoci | 0.4.7-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | singularity | 3.7.3-r0 | — |
| Alpine v3.19 | umoci | 0.4.7-r0 | — |
| Alpine v3.18 | umoci | 0.4.7-r0 | — |
| Alpine v3.17 | umoci | 0.4.7-r0 | — |
| Alpine v3.16 | umoci | 0.4.7-r0 | — |
| Alpine v3.15 | umoci | 0.4.7-r0 | — |
| Alpine v3.14 | umoci | 0.4.7-r0 | — |
| Alpine v3.13 | umoci | 0.4.7-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/opencontainers/umoci | < 0.4.7 | 0.4.7 | GHSA-9m95-8hx6-7p9v |
Advisories 9
- openSUSE-SU-2024:11482-1 umoci-0.4.7-2.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1863-1 Security update for umoci SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0810-1 Security update for singularity SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0548-1 Security update for umoci SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0846-1 Security update for umoci SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1116-1 Security update for umoci SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1863-2 Security update for umoci 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
- openSUSE-SU-2021:1863-1 Security update for umoci SUSE / openSUSE Security Updates · Feb 4, 2026