DeutschShown in its original language — a full translation is planned for a future version.
X.Org X11 (libXfont2): Mehrere Schwachstellen ermöglichen Privilegieneskalation und Denial of Service
view advisory published 2026-08-04
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in X.Org X11 ausnutzen, um seine Privilegien zu erhöhen, und um einen Denial of Service Angriff durchzuführen.
01
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-59679US | — | — | ||
fs_read_glyphs() in the libXfont2 font-server client (src/fc/fserve.c) indexes the per-character encoding[] array using num_chars from the FS_QueryXBitmaps16 reply, but that array… | ||||
| CVE-2026-44950US | — | — | ||
fs_read_glyphs() in the libXfont2 font-server client (src/fc/fserve.c) copies each glyph's bitmap into a single buffer. Existing checks validates only that the source slice (positi… | ||||
02
references
External citations — patches, advisories, analysis.
- Red Hat Security Advisory RHSA-2026:55446 vom 2026-08-17external
- Red Hat Security Advisory RHSA-2026:55447 vom 2026-08-17external
- Red Hat Security Advisory RHSA-2026:55448 vom 2026-08-17external
- Red Hat Security Advisory RHSA-2026:59311 vom 2026-08-25external
- Red Hat Security Advisory RHSA-2026:59312 vom 2026-08-25external
- Red Hat Security Advisory RHSA-2026:61390 vom 2026-09-01external
- Red Hat Security Advisory RHSA-2026:61755 vom 2026-08-31external
- Red Hat Security Advisory RHSA-2026:61756 vom 2026-08-31external
scry
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan