Integer overflow in the fts_build function in fts.c in libc in (1) OpenBSD 4.4 and earlier and (2) Microsoft Interix 6.0 build 10.0.6030.0 allows context-dependent attackers to cause a denial of service (application crash) via a deep directory tree, related to the fts_level structure member, as demonstrated by (a) du, (b) rm, (c) chmod, and (d) chgrp on OpenBSD; and (e) SearchIndexer.exe on Vista Enterprise
Published Mar 9, 2009
4.9
MEDIUMCVSS 2.0
EPSS 3.59%
Description
Integer overflow in the fts_build function in fts.c in libc in (1) OpenBSD 4.4 and earlier and (2) Microsoft Interix 6.0 build 10.0.6030.0 allows context-dependent attackers to cause a denial of service (application crash) via a deep directory tree, related to the fts_level structure member, as demonstrated by (a) du, (b) rm, (c) chmod, and (d) chgrp on OpenBSD; and (e) SearchIndexer.exe on Vista Enterprise.
Affected products
No data.
- 6.0
- ≤ 4.4
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 3.0
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.6
- 3.7
- 3.8
- 3.9
- 4.0
- 4.1
- 4.2
- 4.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.59% (0.03592) | 89.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.59% (0.03592) | 87.91th | v5 (v2026.06.15) |
| Oct 9, 2025 | 7.05% (0.07054) | 91.04th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.50% (0.04498) | 88.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.20% (0.03200) | 78.20th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.50% (0.04498) | 88.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.16% (0.00156) | 53.31th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.16% (0.00156) | 52.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.16% (0.00156) | 50.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.60% (0.02604) | 82.09th | v2 (v2022.01.01) |
| Jul 18, 2022 | 2.60% (0.02604) | 81.01th | v2 (v2022.01.01) |
| Jul 17, 2022 | 2.81% (0.02808) | 82.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.60% (0.02604) | 80.30th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.60% (0.02604) | 61.79th | v2 (v2022.01.01) |
References (7)
- http://securityreason.com/achievement_securityalert/60 third-party-advisoryx_refsource_SREASONRES
- http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c x_refsource_CONFIRMVendor Advisory
- http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/501505/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/34008 vdb-entryx_refsource_BIDExploit
- http://www.securitytracker.com/id?1021818 vdb-entryx_refsource_SECTRACK
- https://www.exploit-db.com/exploits/8163 exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| http://securityreason.com/achievement_securityalert/60 | third-party-advisoryx_refsource_SREASONRES | |
| http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c | x_refsource_CONFIRMVendor Advisory | |
| http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/gen/fts.c.diff?r1=1.41%3Br2=1.42%3Bf=h | x_refsource_CONFIRM | |
| http://www.securityfocus.com/archive/1/501505/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/34008 | vdb-entryx_refsource_BIDExploit | |
| http://www.securitytracker.com/id?1021818 | vdb-entryx_refsource_SECTRACK | |
| https://www.exploit-db.com/exploits/8163 | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.