# OPENSUSE-SU-2025:0003-1: etcd security update

OPENSUSE-SU-2025:0003-1, released January 7, 2025, fixes 5 CVEs in etcd (version 3.5.12-bp156.4.3.1). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/opensuse-su-2025-0003-1
- Platform: Linux
- Released: Jan 7, 2025
- Priority: Urgent (Closes CVE-2021-28235, rated Critical)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/openSUSE-SU-2025:0003-1

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [etcd](https://patchblox.com/security/data/product/linux/etcd.md) | opensuse-leap 15.6 | 3.5.12-bp156.4.3.1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-28235](https://patchblox.com/security/data/cve/CVE-2021-28235.md) | Urgent | etcd: Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the debug f... | 9.8 | 0.0162 |  |
| [CVE-2023-48795](https://patchblox.com/security/data/cve/CVE-2023-48795.md) | High | OpenSSH: Multiple issues in OpenSSH | 7.5 | 0.9355 |  |
| [CVE-2023-47108](https://patchblox.com/security/data/cve/CVE-2023-47108.md) | High | containerd: This update for containerd fixes the following issues:  - Update to containerd v1.7.21 - CVE-2023-47108: Fixed DoS vu... | n/a | 0.0203 |  |
| [CVE-2019-11254](https://patchblox.com/security/data/cve/CVE-2019-11254.md) | Routine | Kubernetes API Server denial of service vulnerability from malicious YAML payloads | 6.5 | 0.0316 |  |
| [CVE-2020-15106](https://patchblox.com/security/data/cve/CVE-2020-15106.md) | Routine | etcd: In etcd before versions 3.3.23 and 3.4.10, a large slice causes panic in decodeRecord method | n/a | 0.0126 |  |

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Data as of 2026-11-10T20:03:11Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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