CVE catalog
CVE-2023-27830
tightvnc: CVE-2023-27830
- Severity
- Low
- Source
- [NVD] · [CVE record]
- EPSS
- 1.08% · Oct 27, 2026
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | tightvnc | sid | 1:1.3.10-11 | not affected |
| Debian | tightvnc | forky | 1:1.3.10-11 | not affected |
| Debian | tightvnc | trixie | 1:1.3.10-9 | not affected |
| Debian | tightvnc | bookworm | 1:1.3.10-7 | not affected |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | tightvnc | source | sid | Not affected | unimportant | Not reported | Not reported |
| Debian | tightvnc | source | forky | Not affected | unimportant | Not reported | Not reported |
| Debian | tightvnc | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | tightvnc | source | bookworm | Not affected | unimportant | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.