Xorg-server

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.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Xorg-server.

• CVE-2026-55999xorg-server / xwayland glamor font atlas Heap Buffer Overflow8.5Jul 8, 2026
• CVE-2025-49180Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension7.8Jun 17, 2025
• CVE-2025-49179Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension7.3Jun 17, 2025
• CVE-2024-31083Xorg-x11-server: use-after-free in procrenderaddglyphs7.8Apr 5, 2024
• CVE-2024-31082Xorg-x11-server: heap buffer overread/data leakage in procappledricreatepixmap7.3Apr 4, 2024
• CVE-2024-31081Xorg-x11-server: heap buffer overread/data leakage in procxipassivegrabdevice7.3Apr 4, 2024
• CVE-2024-31080Xorg-x11-server: heap buffer overread/data leakage in procxigetselectedevents7.3Apr 4, 2024
• CVE-2023-6478Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty7.6Dec 13, 2023
• CVE-2023-6377Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions7.8Dec 13, 2023
• CVE-2023-5574Xorg-x11-server: use-after-free bug in damagedestroy7.0Oct 25, 2023
• CVE-2023-5380Xorg-x11-server: use-after-free bug in destroywindow4.7Oct 25, 2023
• CVE-2023-5367Xorg-x11-server: out-of-bounds write in xichangedeviceproperty/rrchangeoutputproperty7.8Oct 25, 2023
• 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 ...7.8Apr 26, 2021
• 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...7.8Sep 15, 2020
• CVE-2020-14361A 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...7.8Sep 15, 2020