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CVE-2016-5290
CRITICAL
Memory safety bugs were reported in Firefox 49 and Firefox ESR 45.4. 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 < 45.5, Firefox ESR < 45.5, and Firefox < 50.
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 (4)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | * < 45.5.0 |
| mozilla | firefox | * < 50.0 |
| mozilla | thunderbird | * < 45.5.0 |
| debian | debian_linux | 8.0 |
GitHub Security Advisory GHSA-qf56-xjg6-qx59
Memory safety bugs were reported in Firefox 49 and Firefox ESR 45.4. Some of these bugs showed...
References (20)
- http://rhn.redhat.com/errata/RHSA-2016-2780.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2825.html Third Party Advisory
- http://www.securityfocus.com/bid/94335 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037298 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1309720%2C1297062%2C1303710%2C1018486%2C1292590%2C1301343%2C1301496%2C1308048%2C1308346%2C1299519%2C1286911%2C1298169 Vendor Advisory
- https://security.gentoo.org/glsa/201701-15 Third Party Advisory
- https://www.debian.org/security/2016/dsa-3730 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-89/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-90/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2016-93/ Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2780.html Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2825.html Third Party Advisory
- http://www.securityfocus.com/bid/94335 Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037298 Third Party Advisory, VDB Entry
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1309720%2C1297062%2C1303710%2C1018486%2C1292590%2C1301343%2C1301496%2C1308048%2C1308346%2C1299519%2C1286911%2C1298169 Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
3.18%
Top 13% most likely to be exploited
Threat Score
40.2 / 100
Data Sources
NVD
EPSS
GitHub