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Vulnerability record · CVE-2018-15120 · published 24 August 2018

CVE-2018-15120: Gnome pango memory buffer overflow vulnerability

Gnome · Pango

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.

6.5 CVSS 3.1 Medium EPSS 11% · top 4.1% CWE-119 · Memory buffer overflow
6.5CVSS 3.1 base score, v2 4.3
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
22References, 8 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://52.117.224.77/xfce4-pdos.webm ExploitThird Party Advisory
https://github.com/GNOME/pango/blob/1.42.4/NEWS Release NotesThird Party Advisory
https://github.com/GNOME/pango/commit/71aaeaf020340412b8d012fe23a556c0420eda5f PatchThird Party Advisory
https://i.redd.it/v7p4n2ptu0s11.jpg Third Party Advisory
https://mail.gnome.org/archives/distributor-list/2018-August/msg00001.html PatchThird Party Advisory
https://security.gentoo.org/glsa/201811-07 Third Party Advisory
https://usn.ubuntu.com/3750-1/ Third Party Advisory
https://www.exploit-db.com/exploits/45263 ExploitPatchThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45263/ ExploitPatchThird Party AdvisoryVDB Entry
https://www.ign.com/articles/2018/10/16/ps4s-are-reportedly-being-bricked-and-sony-is-working-on-a-fix ExploitThird Party Advisory
https://www.reddit.com/r/PS4/comments/9o5efg/message_bricking_console_megathread/ Third Party Advisory
http://52.117.224.77/xfce4-pdos.webm ExploitThird Party Advisory
https://github.com/GNOME/pango/blob/1.42.4/NEWS Release NotesThird Party Advisory
https://github.com/GNOME/pango/commit/71aaeaf020340412b8d012fe23a556c0420eda5f PatchThird Party Advisory
https://i.redd.it/v7p4n2ptu0s11.jpg Third Party Advisory
https://mail.gnome.org/archives/distributor-list/2018-August/msg00001.html PatchThird Party Advisory
https://security.gentoo.org/glsa/201811-07 Third Party Advisory
https://usn.ubuntu.com/3750-1/ Third Party Advisory
https://www.exploit-db.com/exploits/45263 ExploitPatchThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/45263/ ExploitPatchThird Party AdvisoryVDB Entry
https://www.ign.com/articles/2018/10/16/ps4s-are-reportedly-being-bricked-and-sony-is-working-on-a-fix ExploitThird Party Advisory
https://www.reddit.com/r/PS4/comments/9o5efg/message_bricking_console_megathread/ Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-15120), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.