libvncserver 関連製品全体の CVE とセキュリティ脆弱性情報を集約し、CVSS、EPSS、公開日、脆弱性情報データを掲載しています。
一般的な弱点パターンには バッファオーバーフロー and vendor risk input validation があり、vendor surface software deployment and vendor surface production workloads の利用場面で アプリケーションクラッシュ、vendor impact memory corruption, and vendor impact unexpected behavior などのリスクが生じる可能性があります。
掲載データは公開脆弱性情報とセキュリティ公告に基づき、過去の暴露面と修補優先度の評価に利用できます。
| CVE | 概要 | ソース | CVSS 最大値 | EPSS（%） | 公開 | 更新 |
|---|---|---|---|---|---|---|
| CVE-2014-6053 | 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 message that is processed by using a single unchecked malloc. | [email protected] | 5.0 | 7.56% | 2014-12-15 | 2026-05-06 |
| CVE-2014-6052 | 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) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message. | [email protected] | 7.5 | 6.75% | 2014-12-15 | 2026-05-06 |
| CVE-2014-6054 | 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. | [email protected] | 4.3 | 5.54% | 2014-10-06 | 2026-05-06 |
| CVE-2014-6055 | 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 rfbFileTransferOffer message. | [email protected] | 6.5 | 7.83% | 2014-09-30 | 2026-05-06 |
| CVE-2014-6051 | 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. | [email protected] | 7.5 | 8.12% | 2014-09-30 | 2026-05-06 |
| CVE-2006-2450 | auth.c in LibVNCServer 0.7.1 allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, a different issue than CVE-2006-2369. | [email protected] | 7.5 | 4.28% | 2006-07-18 | 2026-04-16 |