Use after free in Mozilla Thunderbird
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-416 and the CVSS impact.
Summary
Use-after-free while manipulating XSL in XSLT documents. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Why it matters now
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 | Thunderbird | before 45.7 | 45.7 | Patch available | CNA |
| Mozilla | Firefox ESR | before 45.7 | 45.7 | Patch available | CNA |
| Mozilla | Firefox | before 51 | 51 | Patch available | CNA |
- Thunderbird VendorMozilla Affected before 45.7 Fixed in 45.7 Patch available CNA
- Firefox ESR VendorMozilla Affected before 45.7 Fixed in 45.7 Patch available CNA
- Firefox VendorMozilla Affected before 51 Fixed in 51 Patch available CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* | 7.3 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* | 7.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* | 7.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | before 45.7.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | before 51.0; before 45.7.0 | Vulnerable | Mozilla |
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* Versions 7.3 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* Versions 7.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 45.7.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 51.0; before 45.7.0 Vulnerable ·Mozilla
Remediation
- Fix · CNA Thunderbird (Mozilla) Fixed in 45.7
- Fix · CNA Firefox ESR (Mozilla) Fixed in 45.7
- Fix · CNA Firefox (Mozilla) Fixed in 51
Red Hat 2 advisories
- RHSA-2017:0238 Released 2017-02-02 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-45.7.0-1.el7_3
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-45.7.0-1.el5_11, thunderbird-45.7.0-1.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-45.7.0-1.el6_8
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-45.7.0-1.el5_11, thunderbird-45.7.0-1.el5_11.i386
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-45.7.0-1.el6_8
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-45.7.0-1.el7_3
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-45.7.0-1.el6_8
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-45.7.0-1.el7_3
- RHSA-2017:0190 Released 2017-01-25 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-45.7.0-2.el5_11, firefox-45.7.0-2.el5_11.i386
- Red Hat Enterprise Linux Client (v. 7) firefox-45.7.0-2.el7_3
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-45.7.0-2.el7_3
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-45.7.0-2.el5_11, firefox-45.7.0-2.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux Server (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux Server (v. 7) firefox-45.7.0-2.el7_3
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-45.7.0-2.el6_8, firefox-45.7.0-2.el6_8.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-45.7.0-2.el7_3, firefox-45.7.0-2.el7_3.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux Workstation (v. 7) firefox-45.7.0-2.el7_3
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-45.7.0-2.el6_8
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-45.7.0-2.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 — DSA-3832
17 records Highest priority Priority HIGH 1 HIGH, 11 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03432 Use after free in Mozilla FirefoxPriority MEDIUM 59
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2017:0190
9 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2017-03418 The JSON viewer in the Developer Tools uses insecure methods to create a communication…Priority MEDIUM 49
Show 4 more groups
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — GLSA-201702-22
9 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2017-03418 The JSON viewer in the Developer Tools uses insecure methods to create a communication…Priority MEDIUM 49
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — DSA-3771
9 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2017-03418 The JSON viewer in the Developer Tools uses insecure methods to create a communication…Priority MEDIUM 49
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — RHSA-2017:0238
8 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2017-03418 The JSON viewer in the Developer Tools uses insecure methods to create a communication…Priority MEDIUM 49
- Advisory ·
Mozilla Firefox, Firefox ESR, Thunderbird — GLSA-201702-13
8 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2017-03403 Memory corruption in Mozilla ThunderbirdPriority HIGH 67
- TI-2017-03424 Use after free in Mozilla ThunderbirdPriority MEDIUM 49
- TI-2017-03418 The JSON viewer in the Developer Tools uses insecure methods to create a communication…Priority MEDIUM 49
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2017:0238 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:0190, RHSA-2017:0238 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2017:0190 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2017:0190 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5376
- 2026-10-03 Alias added: GHSA-37qh-mjg8-558v
References
Advisory 10
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-2017-5376 · CVE Program
- CVE-2017-5376 · NVD
- FIRST EPSS
- GHSA-37qh-mjg8-558v · GitHub Advisory Database · CC BY 4.0
- CVE-2017-5376 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences