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No exploitation reportedFix available

CVE-2017-7776

No exploitation reported by the sources we read.

  • Published2019-04-15
  • Fixed in54.0
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.

Timeline

dates in UTC
  1. 2019-04-1512:31CVE publishedNVD

Versions per branch

NVD
Mozilla firefox
BranchAffectedFixed in
54.0< 54.054.0
Sil graphite2
BranchAffectedFixed in
1.3< 1.3.101.3.10

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • firefoxUbuntu:16.04:LTSall versions · fixed in 54.0+build3-0ubuntu0.16.04.1
  • firefoxUbuntu:14.04:LTSall versions · fixed in 54.0+build3-0ubuntu0.14.04.1
  • firefoxRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:52.2.0-1.el7_3and 3 other packages
  • firefoxRed Hat:enterprise_linux:7::serverall versions · fixed in 0:52.2.0-1.el7_3and 3 other packages
  • firefoxRed Hat:enterprise_linux:7::clientall versions · fixed in 0:52.2.0-1.el7_3and 3 other packages
  • firefoxRed Hat:enterprise_linux:6::workstationall versions · fixed in 0:52.2.0-1.el6_9and 3 other packages
  • firefoxRed Hat:enterprise_linux:6::serverall versions · fixed in 0:52.2.0-1.el6_9and 3 other packages
  • firefoxRed Hat:enterprise_linux:6::computenodeall versions · fixed in 0:52.2.0-1.el6_9and 1 other package

27 more package ranges on OSV.dev

Vendor advisories

  • CVE-2017-7776 Red Hat Product Security441 products fixed

    graphite2: heap-buffer-overflow read "graphite2::Silf::getClassGlyph"

  • RHSA-2017:1793 Red Hat Product Security60 products fixed

    Red Hat Security Advisory: graphite2 security update

  • RHSA-2017:1561 Red Hat Product Security32 products fixed

    Red Hat Security Advisory: thunderbird security update

  • RHSA-2017:1440 Red Hat Product Security61 products fixed

    Red Hat Security Advisory: firefox security update

Full record on NVD

Fix

  1. Update Mozilla firefox to 54.0
  2. Vendor fix Red Hat Product Security RHSA-2017:1793 · 60 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2017:1561 · 32 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.
  4. Vendor fix Red Hat Product Security RHSA-2017:1440 · 61 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

  • EUVD-2017-16751same flawENISA EUVD · LicenseRef-ENISA-legal-notice
  • GHSA-w8wv-29f2-fhc6same flawGitHub Advisory Database · CC-BY-4.0
  • DLA-1007-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DLA-1013-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DLA-991-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-3881-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-3894-1advisory covering several CVEsDebian · LicenseRef-unstated
  • DSA-3918-1advisory covering several CVEsDebian · LicenseRef-unstated
  • MGASA-2017-0178advisory covering several CVEsMageia · LicenseRef-unstated
  • MGASA-2017-0217advisory covering several CVEsMageia · LicenseRef-unstated
  • openSUSE-SU-2017:1579-1advisory covering several CVEsopenSUSE · LicenseRef-unstated
  • RHSA-2017:1440advisory covering several CVEsRed Hat · CC-BY-4.0
  • RHSA-2017:1561advisory covering several CVEsRed Hat · CC-BY-4.0
  • RHSA-2017:1793advisory covering several CVEsRed Hat · CC-BY-4.0
  • USN-3315-1advisory covering several CVEsUbuntu
  • USN-3321-1advisory covering several CVEsUbuntu
  • USN-3398-1advisory covering several CVEsUbuntu

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Published
2019-04-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-w8wv-29f2-fhc6

Frequently asked questions

What is CVE-2017-7776?

Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.

Is CVE-2017-7776 actively exploited?

Active exploitation of CVE-2017-7776 has not been confirmed. Its EPSS score was 2.8% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-7776?

CVE-2017-7776 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

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