Xorg-server
21 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Xorg-server, a product in the operating systems space. Use it to gauge the current risk picture and drill into individual advisories.
Xorg-server CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 2 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 0 |
| 2026-03 | 0 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 1 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 21 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- High17
- Medium3
- Low1
Latest CVEs
The 15 most recently published vulnerabilities affecting Xorg-server.
- CVE-2026-55999xorg-server / xwayland glamor font atlas Heap Buffer Overflow8.5
- CVE-2025-49180Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension7.8
- CVE-2025-49179Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension7.3
- CVE-2024-31083Xorg-x11-server: use-after-free in procrenderaddglyphs7.8
- CVE-2024-31082Xorg-x11-server: heap buffer overread/data leakage in procappledricreatepixmap7.3
- CVE-2024-31081Xorg-x11-server: heap buffer overread/data leakage in procxipassivegrabdevice7.3
- CVE-2024-31080Xorg-x11-server: heap buffer overread/data leakage in procxigetselectedevents7.3
- CVE-2023-6478Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty7.6
- CVE-2023-6377Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions7.8
- CVE-2023-5574Xorg-x11-server: use-after-free bug in damagedestroy7.0
- CVE-2023-5380Xorg-x11-server: use-after-free bug in destroywindow4.7
- CVE-2023-5367Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty7.8
- CVE-2021-3472A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver which can lead to a local privilege escalation. The highest threat from this vulnerability ...7.8
- CVE-2020-14345A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Out-Of-Bounds access in XkbSetNames function may lead to a privilege escalation vulnerability. The highest threat from this vulner...7.8
- CVE-2020-14362A flaw was found in X.Org Server before xorg-x11-server 1.20.9. An Integer underflow leading to heap-buffer overflow may lead to a privilege escalation vulnerability. The highest threat from this v...7.8
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