Arbitrary Code Execution

LibVNCServer is a library that allows for easy creation of VNC server or client functionality. An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way screen sizes were handled by LibVNCServer. A malicious VNC server could use this flaw to cause a client to crash o...

Moderate: Red Hat Security Advisory: kdenetwork security update

Updated kdenetwork packages that fix three security issues are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are available...

libvncserver security update

CentOS Errata and Security Advisory CESA-2014:1826 Updated libvncserver packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS ba...

Moderate: Red Hat Security Advisory: libvncserver security update

Updated libvncserver packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, ar...

USN-2365-1: LibVNCServer vulnerabilities

Nicolas Ruff discovered that LibVNCServer incorrectly handled memory when being advertised large screen sizes by the server. If a user were tricked into connecting to a malicious server, an attacker could use this issue to cause a denial of service, or possibly execute arbitrary code...

libvncserver -- multiple security vulnerabilities

Nicolas Ruff reports: Integer overflow in MallocFrameBuffer on client side. Lack of malloc return value checking on client side. Server crash on a very large ClientCutText message. Server crash when scaling factor is set to zero. Multiple stack overflows in File Transfer feature...