Product by X.Org
Xorg-server
59 known vulnerabilities in Xorg-server (X.Org), 0 of them actively exploited (CISA KEV).
Key figures
59
Vulnerabilities
0
Actively exploited (KEV)
0
Used by ransomware
4
Critical
Vulnerabilities
Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.
| Critical | CVE-2023-6816 | Xorg-x11-server: heap buffer overflow in devicefocusevent and procxiquerypointer | 9.8 | |
| High | CVE-2022-46344 | Xorg-x11-server: Out-of-Bounds Access | 8.8 | |
| High | CVE-2022-46341 | Xorg-x11-server: Out-of-Bounds Access | 8.8 | |
| High | CVE-2022-46340 | Xorg-x11-server: Remote Code Execution | 8.8 | |
| High | CVE-2022-46343 | Xorg-x11-server: Remote Code Execution | 8.8 | |
| High | CVE-2023-6377 | Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions | 7.8 | |
| High | CVE-2023-6478 | Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty | 7.6 | |
| High | CVE-2022-46342 | Xorg-x11-server: security vulnerability | 8.8 | |
| High | CVE-2022-3550 | X.org Server xkb.c _GetCountedString buffer overflow | 5.5 | |
| High | CVE-2024-0229 | Xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access | 7.8 | |
| Critical | CVE-2026-34002 | Red Hat Enterprise Linux: Buffer Access with Incorrect Length Value | 9.1 | |
| Critical | CVE-2026-34000 | Red Hat Enterprise Linux: Out-of-bounds Read | 9.1 | |
| Medium | CVE-2022-3551 | X.org Server xkb.c ProcXkbGetKbdByName memory leak | 3.5 | |
| High | CVE-2022-4283 | Xorg-x11-server: Out-of-Bounds Access | 7.8 | |
| High | CVE-2021-3472 | Xorg-x11-server: Integer Underflow (Wrap or Wraparound) | 7.8 | |
| High | CVE-2023-0494 | Xorg-x11-server: Use After Free | 7.8 | |
| Critical | CVE-2026-56000 | xorg-x11-server / xwayland GLX contextTags Use-After-Free in CommonMakeCurrent() | 7.8 | |
| High | CVE-2026-55999 | xorg-server / xwayland glamor font atlas Heap Buffer Overflow | 8.5 | |
| High | CVE-2022-49737 | X.org X server: Improper Resource Locking | 7.7 | |
| High | CVE-2025-62229 | Xorg: xmayland: use-after-free in xpresentnotify structure creation | 7.3 | |
| High | CVE-2023-5367 | Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty | 7.8 | |
| High | CVE-2022-2320 | Xorg-x11-server: Out-of-bounds Write | 7.8 | |
| High | CVE-2025-26597 | Xorg: xwayland: buffer overflow in xkbchangetypesofkey() | 7.8 | |
| High | CVE-2021-4010 | Xorg-x11-server: Improper Restriction of Operations within the Bounds of a Memory Buffer | 7.8 | |
| High | CVE-2021-4009 | Xorg-x11-server: Improper Restriction of Operations within the Bounds of a Memory Buffer | 7.8 |