Vulnerability in X.org Libx11
CVE-2013-7439
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.043 (91.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- X.org Libx11 — versions 1.0.1, 1.0.2, 1.0.3
- X.org X11 — versions 6.0, 6.1, 6.3
- Canonical Ubuntu Linux — versions 12.04, 14.04, 14.10
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- www.ubuntu.com/usn/USN-2568-1 (vendor-advisory, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- www.securityfocus.com/bid/73962 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2015/dsa-3224 (vendor-advisory, Third Party Advisory)
- seclists.org/oss-sec/2015/q2/81 (mailing-list, VDB Entry, Third Party Advisory)
- lists.x.org/archives/xorg-announce/2015-April/002561.html (Vendor Advisory, mailing-list, Patch)
- bugs.freedesktop.org/show_bug.cgi (Issue Tracking)