DescriptionX.Org Server (aka xserver and xorg-server) 1.15.0 through 1.16.x before 1.16.3 allows remote authenticated users to cause a denial of service (out-of-bounds read or write) or possibly execute arbitrary code via a crafted length or index value to the (1) sproc_dri3_query_version, (2) sproc_dri3_open, (3) sproc_dri3_pixmap_from_buffer, (4) sproc_dri3_buffer_from_pixmap, (5) sproc_dri3_fence_from_fd, (6) sproc_dri3_fd_from_fence, (7) proc_present_query_capabilities, (8) sproc_present_query_version, (9) sproc_present_pixmap, (10) sproc_present_notify_msc, (11) sproc_present_select_input, or (12) sproc_present_query_capabilities function in the (a) DRI3 or (b) Present extension.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xorg-server (PTS)buster2:1.20.4-1+deb10u4fixed
buster (security)2:1.20.4-1+deb10u10fixed
bullseye (security)2:1.20.11-1+deb11u8fixed
bookworm (security)2:21.1.7-3+deb12u2fixed
sid, trixie2:21.1.9-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xorg-serversourcesqueeze(not affected)
xorg-serversourcewheezy(not affected)


[wheezy] - xorg-server <not-affected> (Introduced in 1.15.0)
[squeeze] - xorg-server <not-affected> (Introduced in 1.15.0)

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