Use-after-free vulnerability in the js::PreliminaryObjectArray::sweep function in Mozilla Firefox before 48.0 allows remote attackers to execute arbitrary code via crafted JavaScript that is mishandled during incremental garbage collection.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2016-5255 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5, 6 and 7.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
Base Score | 5.1 |
---|---|
Base Metrics | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Access Vector | Network |
Access Complexity | High |
Authentication | None |
Confidentiality Impact | Partial |
Integrity Impact | Partial |
Availability Impact | Partial |
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
CVSS3 Base Score | 5.6 |
---|---|
CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
Attack Vector | Network |
Attack Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity Impact | Low |
Availability Impact | Low |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Platform | Package | State |
---|---|---|
Red Hat Enterprise Linux 7 | firefox | Not affected |
Red Hat Enterprise Linux 7 | thunderbird | Not affected |
Red Hat Enterprise Linux 6 | firefox | Not affected |
Red Hat Enterprise Linux 6 | thunderbird | Not affected |
Red Hat Enterprise Linux 5 | thunderbird | Not affected |
Red Hat Enterprise Linux 5 | firefox | Not affected |