What’s Vulnerable › Vulnerabilities

CVE-2017-7778

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-06-11 · updated 2026-06-17
• Weakness: CWE-119

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.

Affected products

• Debian Linux: 8.0, 9.0
• Mozilla Firefox: before 52.2.0; before 54.0 — fixed in 52.2.0, 54.0
• Mozilla Thunderbird: before 52.2.0 — fixed in 52.2.0
• Sil Graphite2: before 1.3.10 — fixed in 1.3.10

How to fix

Upgrade to a fixed version: Mozilla Firefox 52.2.0, 54.0; Mozilla Thunderbird 52.2.0; Sil Graphite2 1.3.10. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/99057
• http://www.securitytracker.com/id/1038689
• https://access.redhat.com/errata/RHSA-2017:1440
• https://access.redhat.com/errata/RHSA-2017:1561
• https://access.redhat.com/errata/RHSA-2017:1793
• https://bugzilla.mozilla.org/show_bug.cgi?id=1349310
• https://bugzilla.mozilla.org/show_bug.cgi?id=1350047
• https://bugzilla.mozilla.org/show_bug.cgi?id=1352745
• https://bugzilla.mozilla.org/show_bug.cgi?id=1352747
• https://bugzilla.mozilla.org/show_bug.cgi?id=1355174
• https://bugzilla.mozilla.org/show_bug.cgi?id=1355182
• https://bugzilla.mozilla.org/show_bug.cgi?id=1356607

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