Out-of-bounds read In libvncserver
Description
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.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 debian 14 | 0.9.9+dfsg-6.1 | ||
debian 14 | 4.1.4+repack1-1 | ||
debian 12 | 0.9.9+dfsg-6.1 | ||
debian 12 | 4.1.4+repack1-1 | ||
debian 11 | 4.1.4+repack1-1 | ||
debian 11 | 0.9.9+dfsg-6.1 | ||
debian 13 | 0.9.9+dfsg-6.1 | ||
debian 13 | 4.1.4+repack1-1 | ||
 rpm rhel6.5 | 0:0.9.7-7.el6_5.1 | ||
rpm rhel7 | 0:0.9.9-9.el7_0.1 |
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Aliases
1. 2. 3. 4. 5.