Linux · Security advisory · November 21, 2025
RLSA-2025:20958: tigervnc security update
RLSA-2025:20958, released November 21, 2025, fixes 3 CVEs in tigervnc (version 0:1.15.0-6.el9_7). None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0051
43rd percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| tigervnc | rocky 9 | 0:1.15.0-6.el9_7 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2025-62229 | Xorg: xmayland: use-after-free in xpresentnotify structure creation | 7.8 | 0.0051 | None reported | |
| High | CVE-2025-62231 | Xorg: xmayland: value overflow in xkbsetcompatmap() | 7.3 | 0.0030 | None reported | |
| High | CVE-2025-62230 | Xorg: xwayland: use-after-free in xkb client resource removal | 7.3 | 0.0028 | None reported |
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