Out-of-bounds read In tigervnc
Description
A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB (X Keyboard Extension) modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory boundaries. This can lead to the exposure of sensitive information or cause the server to crash, resulting in a denial of service.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 rpm rhel6 | - | - | |
rpm rhel8 | - | - | |
rpm rhel9 | - | - | |
rpm rhel8 | - | - | |
rpm rhel10 | - | - | |
rpm rhel8 | - | - | |
rpm rhel7 | - | - | |
rpm rhel9 | - | - | |
 debian 14 | 2:21.1.22-1 | ||
rpm rhel9 | - | - |
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Aliases
1. 2. 3. 4. 5.