Vendor
2 published CVES affecting stardict, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
The YouDao plugin for StarDict, as used in stardict 3.0.7+git20220909+dfsg-6 in Debian trixie and elsewhere, sends an X11 selection to the dict.youdao.com and dict.cn servers via cleartext HTTP.
stardict 3.0.1, when Enable Net Dict is configured, sends the contents of the clipboard to a dictionary server, which allows remote attackers to obtain sensitive information by sniffing the network.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.