The ufs_lookup function in the Mac OS X 10.4.8 and FreeBSD 6.1 kernels allows local users to cause a denial of service (kernel panic) and possibly corrupt other filesystems by mounting a crafted UNIX File System (UFS) DMG image that contains a corrupted directory entry (struct direct), related to the ufs_dirbad function
Published Jan 17, 2007
6.6
MEDIUMCVSS 2.0
EPSS 0.95%
Description
The ufs_lookup function in the Mac OS X 10.4.8 and FreeBSD 6.1 kernels allows local users to cause a denial of service (kernel panic) and possibly corrupt other filesystems by mounting a crafted UNIX File System (UFS) DMG image that contains a corrupted directory entry (struct direct), related to the ufs_dirbad function. NOTE: a third party states that the FreeBSD issue does not cross privilege boundaries.
Affected products
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:C/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.95% (0.00953) | 59.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.92% (0.00924) | 55.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.44% (0.00437) | 60.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00047) | 19.21th | v3 (v2023.03.01) |
| Jun 11, 2024 | 0.07% (0.00065) | 28.73th | v3 (v2023.03.01) |
| May 20, 2024 | 0.05% (0.00048) | 17.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00048) | 15.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.22% (0.03220) | 84.21th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.22% (0.03220) | 82.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.22% (0.03220) | 65.30th | v2 (v2022.01.01) |
References (12)
- http://docs.info.apple.com/article.html?artnum=305214 x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2007/Mar/msg00002.html vendor-advisoryx_refsource_APPLE
- http://lists.freebsd.org/pipermail/freebsd-security/2007-January/004218.html mailing-listx_refsource_MLIST
- http://projects.info-pull.com/moab/MOAB-12-01-2007.html x_refsource_MISC
- http://secunia.com/advisories/23721 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24479 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/32686 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/22036 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017751 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA07-072A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2007/0171 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2007/0930 vdb-entryx_refsource_VUPENVendor Advisory
Change history (0)
No recorded changes yet.