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openbsd 7.9 errata 020: xserver

2026-09-14 — common — syspatch: amd64, arm64, i386

Multiple vulnerabilities in the X server and server side font library.
CVE-2026-55999 CVE-2026-56000 CVE-2026-56001 CVE-2026-56002
CVE-2026-56003

installera

# syspatch

källpatch

Apply by doing:
    signify -Vep /etc/signify/openbsd-79-base.pub -x 020_xserver.patch.sig \
        -m - | (cd /usr/xenocara && patch -p0)

And then rebuild and install the X font library and X server:
    cd /usr/xenocara/lib/libXfont2
    make -f Makefile.bsd-wrapper obj
    make -f Makefile.bsd-wrapper build
    cd /usr/xenocara/xserver
    make -f Makefile.bsd-wrapper obj
    make -f Makefile.bsd-wrapper build

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