graphite2: heap-buffer-overflow read "graphite2::Silf::getClassGlyph"
Published Apr 12, 2019
8.1
HIGHCVSS 3.0
EPSS 2.77%
Description
Heap-based Buffer Overflow read in Graphite2 library in Firefox before 54 in graphite2::Silf::getClassGlyph.
Affected products
-
- Version All versions prior to Firefox 54StatusaffectedConstraints-
- Version
No data.
Red Hat Enterprise Linux 6
firefox-0:52.2.0-1.el6_9
Fixed · RHSA-2017:1440
Red Hat Enterprise Linux 6
thunderbird-0:52.2.0-1.el6_9
Fixed · RHSA-2017:1561
Red Hat Enterprise Linux 7
firefox-0:52.2.0-1.el7_3
Fixed · RHSA-2017:1440
Red Hat Enterprise Linux 7
graphite2-0:1.3.10-1.el7_3
Fixed · RHSA-2017:1793
Red Hat Enterprise Linux 7
thunderbird-0:52.2.0-1.el7_3
Fixed · RHSA-2017:1561
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | firefox-0:52.2.0-1.el6_9 | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux 6 | thunderbird-0:52.2.0-1.el6_9 | Fixed | RHSA-2017:1561 |
| Red Hat Enterprise Linux 7 | firefox-0:52.2.0-1.el7_3 | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux 7 | graphite2-0:1.3.10-1.el7_3 | Fixed | RHSA-2017:1793 |
| Red Hat Enterprise Linux 7 | thunderbird-0:52.2.0-1.el7_3 | Fixed | RHSA-2017:1561 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
AV:N/AC:M/Au:N/C:P/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.77% (0.02767) | 85.79th | v5 (v2026.06.15) |
| Sep 22, 2026 | 2.77% (0.02767) | 85.67th | v5 (v2026.06.15) |
| Sep 21, 2026 | 1.20% (0.01196) | 66.26th | v5 (v2026.06.15) |
| Sep 6, 2026 | 2.77% (0.02767) | 85.35th | v5 (v2026.06.15) |
| Sep 5, 2026 | 1.20% (0.01196) | 65.58th | v5 (v2026.06.15) |
| Aug 30, 2026 | 2.77% (0.02767) | 85.27th | v5 (v2026.06.15) |
| Aug 28, 2026 | 1.20% (0.01196) | 65.40th | v5 (v2026.06.15) |
| Aug 24, 2026 | 2.77% (0.02767) | 85.19th | v5 (v2026.06.15) |
| Aug 23, 2026 | 1.20% (0.01196) | 65.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.79% (0.02790) | 84.50th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.48% (0.00476) | 62.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.50% (0.01503) | 69.35th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.30% (0.00300) | 69.80th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.30% (0.00300) | 68.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00300) | 64.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v1 |
| Jan 6, 2022 | 0.42% (0.00416) | 9.79th | v1 |
| Sep 1, 2021 | 0.42% (0.00416) | 25.53th | v1 |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (7)
- https://access.redhat.com/security/cve/CVE-2017-7776 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1472223 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2017-7776
- https://sourceforge.net/p/silgraphite/mailman/message/35824024/
- https://www.cve.org/CVERecord?id=CVE-2017-7776
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/ x_refsource_CONFIRMExploitVendor Advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7778
Change history (0)
No recorded changes yet.