A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
Priority LOW 16CWE-732Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
A postinstall script in the dovecot rpm allows local users to read the contents of newly created SSL/TLS key files.
Why it matters now
EPSS 0.00398 34th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fedora | dovecot22 | dovecot22-2.2.25-3.1 | — | No fix listed | CNA |
| Fedora | dovecot22 | dovecot22-2.2.18-9.1 | — | No fix listed | CNA |
| Fedora | dovecot22 | dovecot22-2.2.13-3.7.1 | — | No fix listed | CNA |
- dovecot22 VendorFedora Affected dovecot22-2.2.25-3.1 Fixed in — No fix listed CNA
- dovecot22 VendorFedora Affected dovecot22-2.2.18-9.1 Fixed in — No fix listed CNA
- dovecot22 VendorFedora Affected dovecot22-2.2.13-3.7.1 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dovecot:dovecot:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | The Dovecot Project |
| cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 42.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:dovecot:dovecot:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·The Dovecot Project
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* Versions 42.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4983
- 2026-10-03 Alias added: GHSA-7cmr-c7xr-8xx6
References
More Fedora vulnerabilities
- TI-2018-01029 Command injection in Red Hat dhcp CVSS 3.0HIGH 7.5
- TI-2024-01796 Improper input validation in Fedora dnf5daemon-server CVSS 3.1HIGH 8.4
- TI-2023-05737 Glibc: heap-based buffer overflow in __vsyslog_internal() CVSS 3.1HIGH 8.4
- TI-2023-03845 Heap out of bound read in builtin.c CVSS 3.1HIGH 7.1
- TI-2023-04922 Draw while calling getdrawinfo() CVSS 3.1MEDIUM 5.3
- TI-2023-03123 Crash due to a null pointer dereference in the dn_nsp_send function CVSS 3.1MEDIUM 6.5
Sources
- CVE-2016-4983 · CVE Program
- CVE-2016-4983 · NVD
- FIRST EPSS
- GHSA-7cmr-c7xr-8xx6 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4983 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences