PatchTheCVE: libvncserverhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2014-6053: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does https://patchthecve.com/cve/CVE-2014-6053.htmlhttps://patchthecve.com/cve/CVE-2014-6053.htmlWed, 17 Jun 2026 00:12:31 +0000MEDIUM 5.0: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to cause a denial of service (memory consumption or daemon crash) via a crafted messaCVE-2014-6052: The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not chechttps://patchthecve.com/cve/CVE-2014-6052.htmlhttps://patchthecve.com/cve/CVE-2014-6052.htmlWed, 17 Jun 2026 00:12:31 +0000HIGH 7.5: The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1)CVE-2014-6054: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allowhttps://patchthecve.com/cve/CVE-2014-6054.htmlhttps://patchthecve.com/cve/CVE-2014-6054.htmlWed, 17 Jun 2026 00:12:31 +0000MEDIUM 4.3: The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.CVE-2014-6055: Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and eahttps://patchthecve.com/cve/CVE-2014-6055.htmlhttps://patchthecve.com/cve/CVE-2014-6055.htmlWed, 17 Jun 2026 00:12:31 +0000MEDIUM 6.5: Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rCVE-2014-6051: Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remhttps://patchthecve.com/cve/CVE-2014-6051.htmlhttps://patchthecve.com/cve/CVE-2014-6051.htmlWed, 17 Jun 2026 00:12:30 +0000HIGH 7.5: Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement for a large screen size, which triggers a heap-based buffer overflow.