Skip to content
Fencer Intel
high 7.5

CVE-2017-16612 json

libXcursor before 1.1.15 has various integer overflows that could lead to heap buffer overflows when processing malicious cursors, e.g., wi…

published 2017-12-01 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7803

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.2%
EPSS 5.2% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

  • wayland Debian 14, Debian 13, Debian 12 1.14.0-2
  • libxcursor Debian 14, Debian 13, Debian 12 1:1.1.14-3.1

debian advisories DEBIAN-CVE-2017-16612

  • wayland Ubuntu 14.04 LTS 1.4.0-1ubuntu1.1
  • wayland Ubuntu 16.04 LTS 1.12.0-1~ubuntu16.04.3
  • libxcursor Ubuntu 14.04 LTS 1:1.1.14-1ubuntu0.14.04.1
  • libxcursor Ubuntu 16.04 LTS 1:1.1.14-1ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-16612

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • xorg-x11-libs SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 7.4-8.26.50.5.3
  • libXcursor SLES for SAP 12 SP3, SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2 +6 more 1.1.14-4.3.1

suse advisories SUSE-SU-2018:0246-1SUSE-SU-2017:3214-1

  • libXcursor openSUSE Tumbleweed 1.2.0-1.9

opensuse advisories openSUSE-SU-2024:10919-1

  • libxcursor Alpine 3.24, Alpine 3.23, Alpine 3.22 +18 more 1.1.15-r0

alpine advisories ALPINE-CVE-2017-16612

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libxcursor Arch Linux 1.1.15-1
  • lib32-libxcursor Arch Linux 1.1.15-1

arch linux advisories AVG-531AVG-532

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-16612 updated cvss 7.8

libXcursor: file.c: heap-based buffer overflow when reading/creating images

  • Red Hat Enterprise Linux 5 libXcursor Red Hat Enterprise Linux 6 libXcursor Red Hat Enterprise Linux 7 libXcursor
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.17% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • cgit.freedesktop.org https://cgit.freedesktop.org/xorg/lib/libXcursor/commit/?id=4794b5dd34688158fb51a2943032569d3780c4b8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.