Vulnerability record · CVE-2018-19876 · published 5 December 2018

CVE-2018-19876: Cairographics cairo use after free vulnerability

Cairographics · Cairo

cairo 1.16.0, in cairo_ft_apply_variations() in cairo-ft-font.c, would free memory using a free function incompatible with WebKit's fastMalloc, leading to an application crash with a "free(): invalid pointer" error.

6.5 CVSS 3.0 Medium EPSS 1.7% · top 23.5% CWE-416 · Use after free

6.5CVSS 3.0 base score, v2 4.3

1.7%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

4References

17 Jun 2026Last modified by NVD

Description

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

Affected products

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

Cairo Cairographics

References

Link	Tags
https://bugs.webkit.org/show_bug.cgi?id=191595	Issue TrackingPatchThird Party Advisory
https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5	PatchThird Party Advisory
https://bugs.webkit.org/show_bug.cgi?id=191595	Issue TrackingPatchThird Party Advisory
https://gitlab.freedesktop.org/cairo/cairo/merge_requests/5	PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2020-35492Cairographics cairo stack-based buffer overflow vulnerabilityA flaw was found in cairo's image-compositor.c in all versions prior to 1.17.4. This flaw allows an attacker who can provide a crafted input file to …EPSS 1.1%18 Mar 2021 7.5CVE-2017-9814Cairographics cairo out-of-bounds read vulnerabilitycairo-truetype-subset.c in cairo 1.15.6 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) because of mishandling …EPSS 3.4%17 Jul 2017 7.5CVE-2016-3190Opensuse memory buffer overflow vulnerabilityThe fill_xrgb32_lerp_opaque_spans function in cairo-image-compositor.c in cairo before 1.14.2 allows remote attackers to cause a denial of service (o…EPSS 1.8%21 Apr 2016 6.5CVE-2019-6461Cairographics cairo vulnerabilityAn issue was discovered in cairo 1.16.0. There is an assertion problem in the function _cairo_arc_in_direction in the file cairo-arc.c.EPSS 2.1%16 Jan 2019 6.5CVE-2019-6462Cairographics cairo vulnerabilityAn issue was discovered in cairo 1.16.0. There is an infinite loop in the function _arc_error_normalized in the file cairo-arc.c, related to _arc_max…EPSS 2.1%16 Jan 2019 6.5CVE-2018-18064Cairographics cairo out-of-bounds write vulnerabilitycairo through 1.15.14 has an out-of-bounds stack-memory write during processing of a crafted document by WebKitGTK+ because of the interaction betwee…EPSS 1.5%8 Oct 2018 5.5CVE-2017-7475Cairographics cairo null pointer dereference vulnerabilityCairo version 1.15.4 is vulnerable to a NULL pointer dereference related to the FT_Load_Glyph and FT_Render_Glyph resulting in an application crash.EPSS 1.8%19 May 2017 5.5CVE-2016-9082Cairographics cairo integer overflow vulnerabilityInteger overflow in the write_png function in cairo 1.14.6 allows remote attackers to cause a denial of service (invalid pointer dereference) via a l…EPSS 2.0%3 Feb 2017

Source: NIST National Vulnerability Database (record CVE-2018-19876), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.