CVE-2017-16612

Exp

libXcursor before 1.1.15 has various integer overflows that could lead to heap buffer overflows when processing malicious cursors, e.g., with programs like GIMP. It is also possible that an attack vector exists against the related code in cursor/xcursor.c in Wayland through 1.14.0.

Published: 2017-12-01 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-16612 is rated High Exploit Risk (76/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.68%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-16612

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-16612

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-28 3.56% 3.68% +0.12%
2 2025-07-13 3.68% 3.56% -0.12%
3 2025-07-12 — 3.68% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-16612

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-16612

OS Trackers for CVE-2017-16612

vendor priority summary link
alpine — CVE-2017-16612: 1 source package rows (libxcursor); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. https://security.alpinelinux.org/vuln/CVE-2017-16612
debian not yet assigned CVE-2017-16612 not yet assigned priority: Debian including 2 source packages (libxcursor, wayland), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2017-16612
gentoo normal CVE-2017-16612: 1 GLSA(s) (201801-04), 1 atom(s) (x11-libs/libXcursor); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-16612
redhat medium — https://access.redhat.com/security/cve/CVE-2017-16612
suse medium — https://www.suse.com/security/cve/CVE-2017-16612/
ubuntu medium CVE-2017-16612 medium priority: Ubuntu including 2 source packages (libxcursor, wayland), 10 status rows across 5 suites (artful, trusty, upstream, xenial, zesty): released 7, needs-triage 2, ignored 1. https://ubuntu.com/security/CVE-2017-16612

Affected software / configurations for CVE-2017-16612

Vendor Product Version Raw CPE
debian debian_linux 8.0 cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
debian debian_linux 9.0 cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 16.04 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonical ubuntu_linux 17.04 cpe:2.3:o:canonical:ubuntu_linux:17.04:*:*:*:*:*:*:*
canonical ubuntu_linux 17.10 cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
x libxcursor <= 1.1.14 cpe:2.3:a:x:libxcursor:*:*:*:*:*:*:*:*

References for CVE-2017-16612

URL Tags
http://security.cucumberlinux.com/security/details.php?id=156 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/11/28/6 Mailing List Third Party Advisory
http://www.ubuntu.com/usn/USN-3501-1 Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1065386 Issue Tracking Tool Signature VDB Entry
https://cgit.freedesktop.org/wayland/wayland/commit/?id=5d201df72f3d4f4cb8b8f75f980169b03507da38
https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=4794b5dd34688158fb51a2943032569d3780c4b8 Exploit Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00002.html
https://lists.freedesktop.org/archives/wayland-devel/2017-November/035979.html
https://marc.info/?l=freedesktop-xorg-announce&m=151188036018262&w=2 Third Party Advisory
https://security.gentoo.org/glsa/201801-04
https://usn.ubuntu.com/3622-1/
https://www.debian.org/security/2017/dsa-4059 Third Party Advisory
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