The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files
Published Nov 13, 2017
5.5
MEDIUMCVSS 3.1
EPSS 0.42%
Description
The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files.
Affected products
- Vendor n/a Product PostgreSQL-related scripts that are specific to Debian and Ubuntu Defaultn/a
- Version PostgreSQL-related scripts that are specific to Debian and UbuntuStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | PostgreSQL-related scripts that are specific to Debian and Ubuntu | n/a |
|
- n/a
Running on/with
- 14.04
- 16.04
- 17.04
- 17.10
- 8.0
- 9.0
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.42% (0.00419) | 33.89th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.42% (0.00419) | 35.86th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.69% (0.00691) | 18.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.69% (0.00691) | 0.00th | v1 |
References (4)
- http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog x_refsource_CONFIRMBroken LinkIssue TrackingThird Party Advisory
- http://www.securityfocus.com/bid/101810 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://usn.ubuntu.com/usn/usn-3476-1/ x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://www.debian.org/security/2017/dsa-4029 x_refsource_CONFIRMIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog | x_refsource_CONFIRMBroken LinkIssue TrackingThird Party Advisory | |
| http://www.securityfocus.com/bid/101810 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://usn.ubuntu.com/usn/usn-3476-1/ | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://www.debian.org/security/2017/dsa-4029 | x_refsource_CONFIRMIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.