Description
Busybox contains a Missing SSL certificate validation vulnerability in The "busybox wget" applet that can result in arbitrary code execution. This attack appear to be exploitable via Simply download any file over HTTPS using "busybox wget https://compromised-domain.com/important-file".
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 | busybox | No fix yet | — |
| Debian 13 | busybox | No fix yet | — |
| Debian 12 | busybox | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | busybox | 1:1.30.1-4ubuntu6.2 | USN-4531-1 |
| Ubuntu 18.04 LTS | busybox | 1:1.27.2-2ubuntu3.3 | USN-4531-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | busybox | 1.35.0-150400.3.3.1 | SUSE-SU-2022:3959-1 |
| SLES 15 SP3 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLES 15 SP2 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLES 15 SP1 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLES 15 | busybox | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLES 12 SP4 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLES 12 SP3 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLES 12 SP2 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLES for SAP 15 SP2 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLES for SAP 15 SP1 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLES for SAP 15 | busybox | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLES for SAP 12 SP5 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLES for SAP 12 SP4 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SLE Real Time 15 SP2 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-2 |
| SLE HPC 15 SP2 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLE HPC 15 SP1 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SLE HPC 15 | busybox | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
| SUSE OpenStack Cloud Crowbar 9 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SUSE OpenStack Cloud 9 | busybox | 1.35.0-4.3.1 | SUSE-SU-2022:4253-1 |
| SUSE Manager Server 4.1 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SUSE Manager Retail Branch Server 4.1 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SUSE Manager Proxy 4.1 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SUSE Enterprise Storage 7 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SUSE Enterprise Storage 6 | busybox +1 | 1.26.2-4.5.1 | SUSE-SU-2022:0135-1, SUSE-SU-2021:3531-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | busybox | 1.35.0-1.1 | openSUSE-SU-2024:11738-1 |
| openSUSE Leap 15.4 | busybox | 1.35.0-150400.3.3.1 | SUSE-SU-2022:3959-1 |
| openSUSE Leap 15.3 | busybox +1 | 1.26.2-4.5.1 | openSUSE-SU-2022:0135-1, openSUSE-SU-2021:3531-1 |
| openSUSE Leap 15.3 | virtualbox | 6.1.34-lp153.2.27.2 | openSUSE-SU-2022:0135-1 |
| openSUSE Leap 15.3 | virtualbox-kmp | 6.1.34-lp153.2.27.1 | openSUSE-SU-2022:0135-1 |
| openSUSE Leap 15.2 | busybox +1 | 1.26.2-lp152.5.3.1 | openSUSE-SU-2021:1408-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | busybox | 1.28.3-r2 | — |
| Alpine v3.23 | busybox | 1.28.3-r2 | — |
| Alpine v3.22 | busybox | 1.28.3-r2 | — |
| Alpine v3.21 | busybox | 1.28.3-r2 | — |
| Alpine v3.20 | busybox | 1.28.3-r2 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | busybox | 1.28.3-r2 | — |
| Alpine v3.18 | busybox | 1.28.3-r2 | — |
| Alpine v3.17 | busybox | 1.28.3-r2 | — |
| Alpine v3.16 | busybox | 1.28.3-r2 | — |
| Alpine v3.15 | busybox | 1.28.3-r2 | — |
| Alpine v3.14 | busybox | 1.28.3-r2 | — |
| Alpine v3.13 | busybox | 1.28.3-r2 | — |
| Alpine v3.12 | busybox | 1.28.3-r2 | — |
| Alpine v3.11 | busybox | 1.28.3-r2 | — |
| Alpine v3.10 | busybox | 1.28.3-r2 | — |
| Alpine v3.9 | busybox | 1.28.3-r2 | — |
| Alpine v3.8 | busybox | 1.28.3-r2 | — |
Advisories 11
- USN-4531-1 busybox vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- openSUSE-SU-2021:3531-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:3959-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0135-2 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0135-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0135-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11738-1 busybox-1.35.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3531-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:4253-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:1408-1 Security update for busybox SUSE / openSUSE Security Updates · Feb 4, 2026
- VDE-2022-010 PHOENIX CONTACT: Multiple Linux component vulnerabilities fixed in latest AXC F x152 LTS release CERT@VDE · May 22, 2025