Detections
Analytics

CVE-2013-7439

critical

Description

Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted request, which triggers a buffer overflow.

References

http://www.ubuntu.com/usn/USN-2568-1

http://www.securityfocus.com/bid/73962

http://www.debian.org/security/2015/dsa-3224

http://seclists.org/oss-sec/2015/q2/81

https://bugs.freedesktop.org/show_bug.cgi?id=56508

http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html

http://lists.x.org/archives/xorg-announce/2015-April/002561.html

Details

Source: Mitre, NVD

Published: 2015-04-16

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

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

EPSS: 0.01667