Description
A flaw was found in the src/list.c of tar 1.33 and earlier. This flaw allows an attacker who can submit a crafted input file to tar to cause uncontrolled consumption of memory. The highest threat from this vulnerability is to system availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | tar | 1.33 and earlier | — |
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 | tar | 1.34+dfsg-1 | — |
| Debian 13 | tar | 1.34+dfsg-1 | — |
| Debian 12 | tar | 1.34+dfsg-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | tar | 1.34+dfsg-1build1 | — |
| Ubuntu 20.04 LTS | tar | 1.30+dfsg-7ubuntu0.20.04.2 | USN-5329-1 |
| Ubuntu 18.04 LTS | tar | 1.29b-2ubuntu0.3 | USN-5329-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | tar | 1.28-2.1ubuntu0.2+esm1 | USN-5329-1 |
| Ubuntu Pro 14.04 LTS | tar | 1.27.1-1ubuntu0.1+esm2 | USN-5329-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | tar | 1.34-150000.3.12.1 | SUSE-SU-2022:1548-1 |
| SLES 15 SP2 | tar | 1.30-3.6.1 | SUSE-SU-2021:0974-1 |
| SLES 12 SP5 | tar | 1.27.1-15.9.1 | SUSE-SU-2021:0975-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | tar | 1.27.1-15.9.1 | SUSE-SU-2021:0975-1 |
| SLE Real Time 15 SP2 | tar | 1.34-150000.3.12.1 | SUSE-SU-2022:1548-1 |
| SLE Micro 5.2 | tar | 1.34-150000.3.12.1 | SUSE-SU-2022:1548-1 |
| SLE Micro 5.1 | tar | 1.34-150000.3.12.1 | SUSE-SU-2022:1548-1 |
| SLE Micro 5.0 | tar | 1.30-3.6.1 | SUSE-SU-2022:1548-1, SUSE-SU-2021:0974-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | tar | 1.34-5.1 | openSUSE-SU-2024:11620-1 |
| openSUSE Leap 15.3 | tar | 1.34-150000.3.12.1 | SUSE-SU-2022:1548-1 |
| openSUSE Leap 15.2 | tar | 1.30-lp152.4.3.1 | openSUSE-SU-2021:0494-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | tar | 1.34-r0 | — |
| Alpine v3.23 | tar | 1.34-r0 | — |
| Alpine v3.22 | tar | 1.34-r0 | — |
| Alpine v3.21 | tar | 1.34-r0 | — |
| Alpine v3.20 | tar | 1.34-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | tar | 1.34-r0 | — |
| Alpine v3.18 | tar | 1.34-r0 | — |
| Alpine v3.17 | tar | 1.34-r0 | — |
| Alpine v3.16 | tar | 1.34-r0 | — |
| Alpine v3.15 | tar | 1.34-r0 | — |
| Alpine v3.14 | tar | 1.34-r0 | — |
| Alpine v3.13 | tar | 1.34-r0 | — |
| Alpine v3.12 | tar | 1.32-r2 | — |
| Alpine v3.11 | tar | 1.32-r2 | — |
| Alpine v3.10 | tar | 1.32-r1 | — |
Advisories 11
- SSA-398330 SSA-398330: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP >= V3.1.0 and < V3.1.5 Siemens ProductCERT · Oct 13, 2026
- USN-5329-1 tar vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- openSUSE-SU-2021:0494-1 Security update for tar SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0975-1 Security update for tar SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11620-1 tar-1.34-5.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0974-1 Security update for tar SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:1548-1 Security update for tar SUSE / openSUSE Security Updates · Feb 4, 2026
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- VDE-2022-010 PHOENIX CONTACT: Multiple Linux component vulnerabilities fixed in latest AXC F x152 LTS release CERT@VDE · May 22, 2025
- WID-SEC-2023-0630 GNU tar: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Aug 13, 2023
- WID-SEC-2023-1969 HPE Fabric OS: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Aug 6, 2023