Integer overflow in the f_count counter in FreeBSD before 4.2 through 5.0 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via multiple calls to (1) fpathconf and (2) lseek, which do not properly decrement f_count through a call to fdrop
Published Nov 16, 2005
3.6
LOWCVSS 2.0
EPSS 0.43%
Description
Integer overflow in the f_count counter in FreeBSD before 4.2 through 5.0 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via multiple calls to (1) fpathconf and (2) lseek, which do not properly decrement f_count through a call to fdrop.
Affected products
No data.
- 1.1.5.1
- 2.1.0
- 2.1.5
- 2.1.6
- 2.1.6.1
- 2.1.7
- 2.1.7.1
- 2.2
- 2.2
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 3.1
- 3.2
- 3.3
- 3.4
- 3.5
- 3.5.1
- 4.2
- 4.3
- 4.3
- 4.4
- 4.5
- 4.5
- 4.6
- 4.6
- 4.7
- 4.7
- 4.9
- 4.10
- 4.10
- 4.10
- 4.10
- 4.11
- 4.11
- 4.11
- 4.11
- 5.0
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:P/A:P
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00433) | 35.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00433) | 34.31th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00068) | 18.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00060) | 27.52th | v3 (v2023.03.01) |
| Jun 7, 2024 | 0.06% (0.00060) | 25.41th | v3 (v2023.03.01) |
| Apr 11, 2023 | 0.06% (0.00060) | 23.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.34th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.15th | v2 (v2022.01.01) |
No CWE recorded.
References (9)
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:44.filedesc.asc vendor-advisoryx_refsource_FREEBSDVendor Advisory
- http://archives.neohapsis.com/archives/bugtraq/2003-01/0057.html mailing-listx_refsource_BUGTRAQPatch
- http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0006.html mailing-listx_refsource_VULNWATCH
- http://secunia.com/advisories/7821 third-party-advisoryx_refsource_SECUNIA
- http://www.iss.net/security_center/static/10993.php vdb-entryx_refsource_XFPatch
- http://www.pine.nl/press/pine-cert-20030101.txt x_refsource_MISC
- http://www.securityfocus.com/archive/1/305308/30/26420/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/6524 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1005898 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:44.filedesc.asc | vendor-advisoryx_refsource_FREEBSDVendor Advisory | |
| http://archives.neohapsis.com/archives/bugtraq/2003-01/0057.html | mailing-listx_refsource_BUGTRAQPatch | |
| http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0006.html | mailing-listx_refsource_VULNWATCH | |
| http://secunia.com/advisories/7821 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.iss.net/security_center/static/10993.php | vdb-entryx_refsource_XFPatch | |
| http://www.pine.nl/press/pine-cert-20030101.txt | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/305308/30/26420/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/6524 | vdb-entryx_refsource_BIDPatch | |
| http://www.securitytracker.com/id?1005898 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.