Description
shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| shadow | shadow | 1 | — |
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 | shadow | 1:4.12.3+dfsg1-1 | — |
| Debian 13 | shadow | 1:4.12.3+dfsg1-1 | — |
| Debian 12 | shadow | 1:4.12.3+dfsg1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | shadow | 1:4.8.1-2ubuntu2.1 | USN-5745-1 |
| Ubuntu 20.04 LTS | shadow | 1:4.8.1-1ubuntu5.20.04.3 | USN-5745-1 |
| Ubuntu 18.04 LTS | shadow | 1:4.5-1ubuntu2.4 | USN-5745-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | shadow | No fix yet | — |
| Ubuntu Pro 16.04 LTS | shadow | 1:4.2-3.1ubuntu5.5+esm2 | USN-5745-1 |
| Ubuntu Pro 14.04 LTS | shadow | 1:4.1.5.1-1ubuntu9.5+esm2 | USN-5745-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | shadow | 4.17.2-150600.17.18.1 | SUSE-RU-2026:1228-1 |
| SLES 15 SP6 | shadow | 4.8.1-150600.17.3.1 | SUSE-SU-2024:2808-1, SUSE-SU-2024:2630-1 |
| SLES 15 SP5 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2804-1, SUSE-SU-2024:2658-1 |
| SLES 15 SP4 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2658-1 |
| SLES 15 SP3 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2025:0292-1, SUSE-SU-2024:2648-1 |
Show 14 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | shadow | 4.2.1-36.12.1 | SUSE-SU-2024:2805-1, SUSE-SU-2024:2603-1 |
| SLES for SAP 15 SP4 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2658-1 |
| SLES for SAP 15 SP3 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2025:0292-1, SUSE-SU-2024:2648-1 |
| SLES for SAP 12 SP5 | shadow | 4.2.1-36.12.1 | SUSE-SU-2024:2805-1, SUSE-SU-2024:2603-1 |
| SLE Micro 5.5 | shadow | 4.8.1-150500.3.6.1 | SUSE-SU-2024:2809-1, SUSE-SU-2024:2659-1 |
| SLE Micro 5.4 | shadow | 4.8.1-150400.3.9.1 | SUSE-SU-2024:2807-1, SUSE-SU-2024:2657-1 |
| SLE Micro 5.3 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2804-1, SUSE-SU-2024:2658-1 |
| SLE Micro 5.2 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2024:2806-1, SUSE-SU-2024:2648-1 |
| SLE Micro 5.1 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2024:2806-1, SUSE-SU-2024:2648-1 |
| SLE HPC 15 SP4 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2658-1 |
| SLE HPC 15 SP3 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2025:0292-1, SUSE-SU-2024:2648-1 |
| SUSE Manager Server 4.3 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2658-1 |
| SUSE Manager Proxy 4.3 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2658-1 |
| SUSE Enterprise Storage 7.1 | shadow | 4.8.1-150300.4.15.1 | SUSE-SU-2025:0292-1, SUSE-SU-2024:2648-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | shadow | 4.11.1-1.1 | openSUSE-SU-2024:11749-1 |
| openSUSE Leap 15.6 | shadow | 4.8.1-150600.17.3.1 | SUSE-SU-2024:2808-1, SUSE-SU-2024:2630-1, SUSE-RU-2026:1228-1 |
| openSUSE Leap 15.5 | shadow | 4.8.1-150400.10.18.1 | SUSE-SU-2024:2804-1, SUSE-SU-2024:2658-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.5 | shadow | 4.8.1-150500.3.6.1 | SUSE-SU-2024:2809-1, SUSE-SU-2024:2659-1 |
Advisories 19
- 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-5745-1 shadow vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- SUSE-RU-2026:1228-1 Recommended update for shadow SUSE / openSUSE Security Updates · Apr 10, 2026
- SUSE-SU-2024:2657-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2648-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2658-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2805-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2809-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:0292-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11749-1 libsubid-devel-4.11.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2659-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2807-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2806-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2808-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:2630-1 Security update for shadow SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-0225 Dell PowerProtect Data Domain: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 1, 2025
- ICSA-23-348-10 Siemens SIMATIC S7-1500 CISA ICS & IT advisories · Aug 12, 2025
- SUSE-SU-2024:2804-1 Security update for shadow SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2024:2603-1 Security update for shadow SUSE / openSUSE Security Updates · May 2, 2025
References
- https://security-tracker.debian.org/tracker/CVE-2013-4235
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4235
- https://access.redhat.com/security/cve/cve-2013-4235
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jar mailing-list
- GLSA-202210-26 vendor-advisory