Description
A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the nvalloc function
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| busybox | busybox | unspecified – < 1.34.0 | 1.34.0 |
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 | 1:1.35.0-1 | — |
| Debian 13 | busybox | 1:1.35.0-1 | — |
| Debian 12 | busybox | 1:1.35.0-1 | — |
| Debian 11 | busybox | 1:1.30.1-6+deb11u1 | DLA-4019-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | busybox | 1:1.30.1-7ubuntu2 | — |
| Ubuntu 20.04 LTS | busybox | 1:1.30.1-4ubuntu6.4 | USN-5179-1 |
| Ubuntu 18.04 LTS | busybox | 1:1.27.2-2ubuntu3.4 | USN-5179-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | busybox | No fix yet | — |
| Ubuntu Pro 14.04 LTS | busybox | No fix yet | — |
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 | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLES 15 SP2 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLES 15 SP1 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLES 15 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
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 | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLES for SAP 15 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| 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 | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| SLE HPC 15 | busybox | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
| 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 | 1.34.1-4.9.1 | SUSE-SU-2022:0135-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | busybox | 1.35.0-150400.3.3.1 | SUSE-SU-2022:3959-1 |
| openSUSE Leap 15.3 | busybox | 1.34.1-4.9.1 | openSUSE-SU-2022:0135-1 |
| 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 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | busybox | 1.34.0-r0 | — |
| Alpine v3.23 | busybox | 1.34.0-r0 | — |
| Alpine v3.22 | busybox | 1.34.0-r0 | — |
| Alpine v3.21 | busybox | 1.34.0-r0 | — |
| Alpine v3.20 | busybox | 1.34.0-r0 | — |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | busybox | 1.34.0-r0 | — |
| Alpine v3.18 | busybox | 1.34.0-r0 | — |
| Alpine v3.17 | busybox | 1.34.0-r0 | — |
| Alpine v3.16 | busybox | 1.34.0-r0 | — |
| Alpine v3.15 | busybox | 1.34.0-r0 | — |
| Alpine v3.14 | busybox | 1.33.1-r6 | — |
| Alpine v3.13 | busybox | 1.32.1-r7 | — |
| Alpine v3.12 | busybox | 1.31.1-r21 | — |
| Alpine v3.11 | busybox | 1.31.1-r11 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | busybox | 1.35.0-1 | — |
Advisories 18
- WID-SEC-2022-2028 BusyBox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 15, 2026
- DLA-4019-1 busybox - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-5179-1 busybox vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 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
- SUSE-SU-2022:4253-1 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
- SSA-831302 SSA-831302: Vulnerabilities in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0 Siemens ProductCERT · Apr 9, 2024
- ICSA-23-166-10 Siemens SIMATIC S7-1500 TM MFP BIOS CISA ICS & IT advisories · Apr 9, 2024
- WID-SEC-2023-1432 Siemens SIMATIC S7: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 22, 2023
- SSA-942865 SSA-942865: Multiple Vulnerabilities in the Integrated SCALANCE S615 of SINAMICS Medium Voltage Products Siemens ProductCERT · Jun 14, 2023
- ICSA-23-166-12 Siemens SINAMICS Medium Voltage Products CISA ICS & IT advisories · Jun 14, 2023
- ICSA-23-080-07 Siemens SCALANCE Third-Party CISA ICS & IT advisories · Mar 14, 2023
- ICSA-23-075-01 Siemens SCALANCE, RUGGEDCOM Third-Party CISA ICS & IT advisories · Mar 14, 2023
- SSA-419740 SSA-419740: Multiple Third-Party Component Vulnerabilities in RUGGEDCOM and SCALANCE Products before V7.2 Siemens ProductCERT · Mar 14, 2023
- SSA-565386 SSA-565386: Third-Party Component Vulnerabilities in SCALANCE W-700 IEEE 802.11ax devices before V2.0 Siemens ProductCERT · Mar 14, 2023
References
- https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/
- FEDORA-2021-5a95823596 vendor-advisory
- FEDORA-2021-c52c0fe490 vendor-advisory
- https://security.netapp.com/advisory/ntap-20211223-0002/
- https://claroty.com/team82/research/unboxing-busybox-14-vulnerabilities-uncovered-by-claroty-jfrog