In short
- CVE-2019-20840 is a HIGH (CVSS 7.5) vulnerability affecting libvncserver (libvnc project).
- Chance of exploitation in the next 30 days (EPSS): 2.7%, higher than 85.7% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| libvncserver | ≤ 0.9.12
| No fix yet |
Description
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.
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