The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username
Published Dec 6, 2007
10.0
HIGHCVSS 2.0
EPSS 3.80%
Description
The gss_userok function in appl/ftp/ftpd/gss_userok.c in Heimdal 0.7.2 does not allocate memory for the ticketfile pointer before calling free, which allows remote attackers to have an unknown impact via an invalid username. NOTE: the vulnerability was originally reported for ftpd.c, but this is incorrect.
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:N/AC:L/Au:N/C:C/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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.80% (0.03796) | 89.66th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.80% (0.03796) | 88.57th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.66% (0.01661) | 80.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.22% (0.06221) | 84.38th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.28% (0.02282) | 83.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.90% (0.01898) | 89.00th | v3 (v2023.03.01) |
| Jun 17, 2024 | 2.00% (0.01997) | 88.89th | v3 (v2023.03.01) |
| May 9, 2024 | 1.84% (0.01841) | 88.25th | v3 (v2023.03.01) |
| Dec 12, 2023 | 1.64% (0.01637) | 86.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.51% (0.01514) | 84.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://bugs.gentoo.org/show_bug.cgi?id=199207 x_refsource_CONFIRM
- http://marc.info/?l=full-disclosure&m=119704362903699&w=2 mailing-listx_refsource_FULLDISC
- http://osvdb.org/44750 vdb-entryx_refsource_OSVDB
- http://securitytracker.com/id?1019057 vdb-entryx_refsource_SECTRACK
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:239 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/26758 vdb-entryx_refsource_BID
| Link | Providers | Tags |
|---|---|---|
| http://bugs.gentoo.org/show_bug.cgi?id=199207 | x_refsource_CONFIRM | |
| http://marc.info/?l=full-disclosure&m=119704362903699&w=2 | mailing-listx_refsource_FULLDISC | |
| http://osvdb.org/44750 | vdb-entryx_refsource_OSVDB | |
| http://securitytracker.com/id?1019057 | vdb-entryx_refsource_SECTRACK | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2007:239 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/26758 | vdb-entryx_refsource_BID |
Change history (0)
No recorded changes yet.