CVE-2017-7801

Impact:
Critical
Public Date:
2017-08-08
CWE:
CWE-416
Bugzilla:
1479223: CVE-2017-7801 Mozilla: Use-after-free with marquee during window resizing

The MITRE CVE dictionary describes this issue as:

A use-after-free vulnerability can occur while re-computing layout for a "marquee" element during window resizing where the updated style object is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Find out more about CVE-2017-7801 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 8.8
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:2456 2017-08-10
Red Hat Enterprise Linux 6 (thunderbird) RHSA-2017:2534 2017-08-24
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:2456 2017-08-10
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2017:2534 2017-08-24

Acknowledgements

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nils as the original reporter.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation