Memory corruption in Mozilla Firefox
Priority MEDIUM 50CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.05047 92nd percentileScored 2026-11-07
Fix Fixed Firefox (Mozilla): 54Firefox ESR (Mozilla): 52.2+1 more productRed Hat: 3 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mozilla | Firefox | before 54 | 54 | Patch available | CNA |
| Mozilla | Firefox ESR | before 52.2 | 52.2 | Patch available | CNA |
| Mozilla | Thunderbird | before 52.2 | 52.2 | Patch available | CNA |
- Firefox VendorMozilla Affected before 54 Fixed in 54 Patch available CNA
- Firefox ESR VendorMozilla Affected before 52.2 Fixed in 52.2 Patch available CNA
- Thunderbird VendorMozilla Affected before 52.2 Fixed in 52.2 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 52.2.0; before 54.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 52.2.0 | Vulnerable | Mozilla |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:* | before 1.3.10 | Vulnerable | Sil |
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 52.2.0; before 54.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 52.2.0 Vulnerable ·Mozilla
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:a:sil:graphite2:*:*:*:*:*:*:*:* Versions before 1.3.10 Vulnerable ·Sil
Remediation
- Fix · CNA Firefox (Mozilla) Fixed in 54
- Fix · CNA Firefox ESR (Mozilla) Fixed in 52.2
- Fix · CNA Thunderbird (Mozilla) Fixed in 52.2
Red Hat 3 advisories
- RHSA-2017:1793 Released 2017-07-20 · Red Hat rating Importantgraphite2 security update
- Red Hat Enterprise Linux Client (v. 7) graphite2-1.3.10-1.el7_3
- Red Hat Enterprise Linux Client Optional (v. 7) graphite2-devel-1.3.10-1.el7_3
- Red Hat Enterprise Linux ComputeNode (v. 7) graphite2-1.3.10-1.el7_3
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) graphite2-devel-1.3.10-1.el7_3
- Red Hat Enterprise Linux Server (v. 7) graphite2-1.3.10-1.el7_3, graphite2-1.3.10-1.el7_3.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) graphite2-devel-1.3.10-1.el7_3, graphite2-devel-1.3.10-1.el7_3.ppc
- Red Hat Enterprise Linux Workstation (v. 7) graphite2-1.3.10-1.el7_3
- Red Hat Enterprise Linux Workstation Optional (v. 7) graphite2-devel-1.3.10-1.el7_3
- RHSA-2017:1561 Released 2017-06-21 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-52.2.0-1.el7_3
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-52.2.0-1.el6_9
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-52.2.0-1.el6_9
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-52.2.0-1.el7_3
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-52.2.0-1.el6_9
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-52.2.0-1.el7_3
- RHSA-2017:1440 Released 2017-06-14 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-52.2.0-1.el7_3
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-52.2.0-1.el7_3
- Red Hat Enterprise Linux Desktop (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux Server (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux Server (v. 7) firefox-52.2.0-1.el7_3
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-52.2.0-1.el6_9, firefox-52.2.0-1.el6_9.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-52.2.0-1.el7_3, firefox-52.2.0-1.el7_3.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux Workstation (v. 7) firefox-52.2.0-1.el7_3
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-52.2.0-1.el6_9
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-52.2.0-1.el7_3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2017:1440
12 records Highest priority Priority MEDIUM 10 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-05377 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05376 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05371 Use after free in Mozilla FirefoxPriority MEDIUM 47
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2017:1561
12 records Highest priority Priority MEDIUM 10 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-05377 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05376 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05371 Use after free in Mozilla FirefoxPriority MEDIUM 47
Show 2 more groups
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-3881
12 records Highest priority Priority MEDIUM 10 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-05377 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05376 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05371 Use after free in Mozilla FirefoxPriority MEDIUM 47
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-3918
12 records Highest priority Priority MEDIUM 10 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-05377 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05376 Use after free in Mozilla FirefoxPriority MEDIUM 47
- TI-2017-05371 Use after free in Mozilla FirefoxPriority MEDIUM 47
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1561, RHSA-2017:1793 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1793 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:1793 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2017:1793 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2017:1440, RHSA-2017:1561 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1793 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2017:1440, RHSA-2017:1561 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1561, RHSA-2017:1793 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2017:1440, RHSA-2017:1561 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1561, RHSA-2017:1793 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2017:1440 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:1440, RHSA-2017:1793 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-7778
- 2026-10-03 Alias added: GHSA-w4p4-6xh7-fhf6
References
Advisory 18
- https://bugzilla.mozilla.org/show_bug.cgi?id=1350047
- https://www.mozilla.org/security/advisories/mfsa2017-15/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1352747
- RHSA-2017:1793
- https://bugzilla.mozilla.org/show_bug.cgi?id=1356607
- DSA-3918
- DSA-3894
- https://bugzilla.mozilla.org/show_bug.cgi?id=1355174
- https://bugzilla.mozilla.org/show_bug.cgi?id=1349310
- DSA-3881
- RHSA-2017:1440
- https://bugzilla.mozilla.org/show_bug.cgi?id=1355182
- GLSA-201710-13
- RHSA-2017:1561
- https://www.mozilla.org/security/advisories/mfsa2017-17/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1358551
- https://bugzilla.mozilla.org/show_bug.cgi?id=1352745
- https://www.mozilla.org/security/advisories/mfsa2017-16/
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2017-7778 · CVE Program
- CVE-2017-7778 · NVD
- FIRST EPSS
- GHSA-w4p4-6xh7-fhf6 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-7778 · Red Hat security data · CC BY 4.0
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