Important: Red Hat Security Advisory: xorg-x11-server security update

An update for xorg-x11-server is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

Important: Red Hat Security Advisory: xorg-x11-server-Xwayland security update

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2026-55999

creationtimestamp| type| source ---|---|--- 2026-07-08 10:17:14+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mq4vbsaacp2g 2026-07-08 16:45:33+00:00| seen| https://www.acn.gov.it/portale/w/rilevate-vulnerabilita-in-componenti-x.org 2026-07-09 00:01:49+00:00| seen|...

CVE-2026-55999

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...