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CVE-2017-5430
CRITICAL
Memory safety bugs were reported in Firefox 52, Firefox ESR 52, and Thunderbird 52. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
Published: Jun 11, 2018
Modified: Jun 17, 2026
CWE-119
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (6)
| Vendor | Product | Version |
|---|---|---|
| redhat | enterprise_linux_desktop | 7.0 |
| redhat | enterprise_linux_server | 7.0 |
| redhat | enterprise_linux_workstation | 7.0 |
| mozilla | firefox | * < 52.1.0 |
| mozilla | firefox | * < 53.0 |
| mozilla | thunderbird | * < 52.1.0 |
GitHub Security Advisory GHSA-4x26-g6p5-4wpg
Memory safety bugs were reported in Firefox 52, Firefox ESR 52, and Thunderbird 52. Some of these...
References (14)
- http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C1329796%2C1346419%2C1349621%2C1344081%2C1344305%2C1348143%2C1349719%2C1353476%2C1337418%2C1346140%2C1339722 Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2017-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-13/ Vendor Advisory
- http://www.securityfocus.com/bid/97940 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038320 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1106 Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1342101%2C1340482%2C1344686%2C1329796%2C1346419%2C1349621%2C1344081%2C1344305%2C1348143%2C1349719%2C1353476%2C1337418%2C1346140%2C1339722 Issue Tracking
- https://www.mozilla.org/security/advisories/mfsa2017-10/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-12/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2017-13/ Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
2.97%
Top 14% most likely to be exploited
Threat Score
40.1 / 100
Data Sources
NVD
EPSS
GitHub