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Vulnerability record · CVE-2017-7778 · published 11 June 2018

CVE-2017-7778: Mozilla firefox memory buffer overflow vulnerability

Mozilla · Firefox

A number of security vulnerabilities in the Graphite 2 library including out-of-bounds reads, buffer overflow reads and writes, and the use of uninitialized memory. These issues were addressed in Graphite 2 version 1.3.10. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

9.8 CVSS 3.0 Critical EPSS 5.1% · top 7.9% CWE-119 · Memory buffer overflowCWE-125 · Out-of-bounds read
9.8CVSS 3.0 base score, v2 7.5
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
40References
17 Jun 2026Last modified by NVD

Description

A number of security vulnerabilities in the Graphite 2 library including out-of-bounds reads, buffer overflow reads and writes, and the use of uninitialized memory. These issues were addressed in Graphite 2 version 1.3.10. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

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

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/99057 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038689 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1440 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1561 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1793 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1349310 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1350047 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1352745 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1352747 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1355174 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1355182 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1356607 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1358551 Issue TrackingVendor Advisory
https://security.gentoo.org/glsa/201710-13 Third Party Advisory
https://www.debian.org/security/2017/dsa-3881 Third Party Advisory
https://www.debian.org/security/2017/dsa-3894 Third Party Advisory
https://www.debian.org/security/2017/dsa-3918 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/ Vendor Advisory
http://www.securityfocus.com/bid/99057 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038689 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:1440 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1561 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1793 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1349310 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1350047 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1352745 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1352747 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1355174 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1355182 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1356607 Issue TrackingVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1358551 Issue TrackingVendor Advisory
https://security.gentoo.org/glsa/201710-13 Third Party Advisory
https://www.debian.org/security/2017/dsa-3881 Third Party Advisory
https://www.debian.org/security/2017/dsa-3894 Third Party Advisory
https://www.debian.org/security/2017/dsa-3918 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-7778), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.