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Fencer Vulns
medium 6.5

CVE-2018-15120 json

libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (appli…

published 2018-08-24 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7002

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.4%
EPSS 11.4% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted text with invalid Unicode sequences.

Patch / fix

  • pango1.0 Debian 14, Debian 13, Debian 12 1.42.4-1

debian advisories DEBIAN-CVE-2018-15120

  • pango1.0 Ubuntu 18.04 LTS 1.40.14-1ubuntu0.1

ubuntu advisories UBUNTU-CVE-2018-15120

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

  • pango SLE Module for Desktop Applications 15, SLE Module for Basesystem 15 1.40.14-3.3.1

suse advisories SUSE-SU-2018:2763-1

  • hexchat openSUSE Tumbleweed 2.14.3-4.4

opensuse advisories openSUSE-SU-2024:10843-1

  • pango Alpine 3.8, Alpine 3.7 1.40.14-r1

alpine advisories ALPINE-CVE-2018-15120

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

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-2018-15120 updated cvss 4.3

pango: application crash triggered by unicode chars in pango-emoji.c

  • Red Hat Enterprise Linux 5 pango Red Hat Enterprise Linux 6 pango Red Hat Enterprise Linux 7 pango, pango-tests Red Hat Enterprise Linux 8 pango Red Hat OpenShift Enterprise 3 pango
    not affected: vulnerable code not present

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

Timeline

  1. Published
  2. First public exploit (EDB-45263)

Exploit prediction

11.36% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-45263 Libpango 1.40.8 - Denial of Service (PoC) dos, 2018-08-27
  • 52.117.224.77 http://52.117.224.77/xfce4-pdos.webm referenced PoC, tagged "exploit" by a source, unverified
  • ign.com https://www.ign.com/articles/2018/10/16/ps4s-are-reportedly-being-bricked-and-sony-is-working-on-a-fix referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns 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.