CVE-2018-20177
CVSS v3
9.8
CRITICAL
EPSS Score
7.9 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Get an alert for each new CVE published for rdesktop.
Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
rdesktop: Memory corruption in rdp_in_unistr
rdesktop as a component of Red Hat Enterprise Linux 5 · rdesktop as a component of Red Hat Enterprise Linux 6 · rdesktop.src as a component of Red Hat Enterprise Linux 6
Description
rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.
Technical details
- Published
- 2019-03-15
Frequently asked questions
What is CVE-2018-20177?
Is CVE-2018-20177 actively exploited?
What is the CVSS score for CVE-2018-20177?
Running rdesktop? Hear about its next vulnerability
CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.
Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? CVE Watch alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.