CVE-2018-15120

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

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Severity

Moderate

Red Hat Product Security

4.3

CVSS 3.0

Review impact separately from score.

Published · August 20, 2018

Updated · November 22, 2025

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.

Statement

This issue did not affect the versions of pango as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include support for emojis.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CWE-617 · Reachable Assertion