Description
In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| SUSE | libzypp | unspecified – < 201808 | 201808 |
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 | libzypp | 17.3.1-1 | — |
| Debian 13 | libzypp | 17.3.1-1 | — |
| Debian 12 | libzypp | 17.3.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | libzypp | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | libsolv | 0.6.35-3.5.2 | SUSE-SU-2018:2690-1 |
| SLES 15 | libzypp | 17.6.4-3.10.1 | SUSE-SU-2018:2690-1 |
| SLES 15 | zypper | 1.14.10-3.7.1 | SUSE-SU-2018:2690-1 |
| SLES 12 SP3 | libzypp | 16.15.3-2.3.1 | SUSE-SU-2018:2814-1, SUSE-SU-2017:2264-1 |
| SLES 12 SP3 | yast2-pkg-bindings +1 | 3.2.4-2.3.1 | SUSE-SU-2017:2264-1 |
| SLES 12 SP3 | zypper | 1.13.45-21.21.2 | SUSE-SU-2018:2814-1 |
| SLES 12 SP2 | libzypp | 16.15.2-27.21.1 | SUSE-SU-2018:2716-2, SUSE-SU-2018:2716-1, SUSE-SU-2017:2040-1 |
| SLES 12 SP2 | zypper | 1.13.30-18.13.3 | SUSE-SU-2018:2716-2, SUSE-SU-2018:2716-1, SUSE-SU-2017:2040-1 |
| SLES 12 SP1 | libzypp | 15.25.17-46.22.1 | SUSE-SU-2018:2555-1 |
| SLES 12 SP1 | zypper | 1.12.59-46.10.1 | SUSE-SU-2018:2555-1 |
| SLES 12 | libzypp | 14.45.17-2.82.1 | SUSE-SU-2018:2688-1 |
| SLES 12 | zypper | 1.11.70-2.69.2 | SUSE-SU-2018:2688-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libzypp | 16.15.3-2.3.1 | SUSE-SU-2018:2814-1, SUSE-SU-2017:2264-1 |
| SLES for SAP 12 SP3 | yast2-pkg-bindings | 3.2.4-2.3.1 | SUSE-SU-2017:2264-1 |
| SLES for SAP 12 SP3 | zypper | 1.13.45-21.21.2 | SUSE-SU-2018:2814-1 |
| SLES for SAP 12 SP2 | libzypp | 16.15.2-27.21.1 | SUSE-SU-2018:2716-1, SUSE-SU-2017:2040-1 |
| SLES for SAP 12 SP2 | zypper | 1.13.30-18.13.3 | SUSE-SU-2018:2716-1, SUSE-SU-2017:2040-1 |
| SLES for SAP 12 SP1 | libzypp | 15.25.17-46.22.1 | SUSE-SU-2018:2555-1 |
| SLES for SAP 12 SP1 | zypper | 1.12.59-46.10.1 | SUSE-SU-2018:2555-1 |
| SUSE OpenStack Cloud 7 | libzypp | 16.17.20-27.52.1 | SUSE-SU-2018:2716-1 |
| SUSE OpenStack Cloud 7 | zypper | 1.13.45-18.33.1 | SUSE-SU-2018:2716-1 |
| SUSE Enterprise Storage 4 | libzypp | 16.17.20-27.52.1 | SUSE-SU-2018:2716-1 |
| SUSE Enterprise Storage 4 | zypper | 1.13.45-18.33.1 | SUSE-SU-2018:2716-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libzypp | 17.28.4-1.2 | openSUSE-SU-2024:11019-1 |
| openSUSE Tumbleweed | zypper | 1.14.49-1.2 | openSUSE-SU-2024:11545-1 |
Advisories 10
- openSUSE-SU-2024:11019-1 libzypp-17.28.4-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11545-1 zypper-1.14.49-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2555-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2690-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2688-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2264-1 Security update for libzypp SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2716-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2716-2 Security update for libzypp, zypper SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2814-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2040-1 Security update for libzypp, zypper SUSE / openSUSE Security Updates · May 2, 2025