https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2026-56000.htmlhttps://patchthecve.com/cve/CVE-2026-56000.htmlThu, 09 Jul 2026 19:47:29 +0000HIGH 7.8: Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.https://patchthecve.com/cve/CVE-2026-55999.htmlhttps://patchthecve.com/cve/CVE-2026-55999.htmlThu, 09 Jul 2026 19:49:51 +0000HIGH 8.5: Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks.https://patchthecve.com/cve/CVE-2026-34002.htmlhttps://patchthecve.com/cve/CVE-2026-34002.htmlMon, 26 Oct 2026 19:10:00 +0000MEDIUM 6.1: 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 boundhttps://patchthecve.com/cve/CVE-2026-34000.htmlhttps://patchthecve.com/cve/CVE-2026-34000.htmlMon, 26 Oct 2026 19:10:00 +0000MEDIUM 6.1: A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the `CheckSetGeom()` and `XkbAddGeomKeyAlias` functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server