Integer overflow in X.org libxcb 1.9 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the read_packet function.
http://www.ubuntu.com/usn/USN-1855-1
http://www.openwall.com/lists/oss-security/2013/05/23/3
http://www.debian.org/security/2013/dsa-2686
http://lists.opensuse.org/opensuse-updates/2013-06/msg00137.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106752.html
http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
http://www.securityfocus.com/bid/60148
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
Source: Mitre, NVD
Published: 2013-06-15
Updated: 2025-04-11
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.01017