kioslave/http/http.cpp in KIO in kdelibs 4.10.3 and earlier allows attackers to discover credentials via a crafted request that triggers an "internal server error," which includes the username and password in an error message.
{ "urgency": "low" }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2013-2074.json"