Public Date:
1513308: CVE-2017-7826 Mozilla: Memory safety bugs fixed in Firefox 57 and Firefox ESR 52.5 (MFSA 2017-25)

The MITRE CVE dictionary describes this issue as:

Memory safety bugs were reported in Firefox 56 and Firefox ESR 52.4. 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 Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

Find out more about CVE-2017-7826 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 6 (thunderbird) RHSA-2017:3372 2017-12-04
Red Hat Enterprise Linux 6 (firefox) RHSA-2017:3247 2017-11-17
Red Hat Enterprise Linux 7 (thunderbird) RHSA-2017:3372 2017-12-04
Red Hat Enterprise Linux 7 (firefox) RHSA-2017:3247 2017-11-17


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Christian Holler, David Keeler, Jon Coppeard, Julien Cristau, Jan de Mooij, Jason Kratzer, Philipp, Nicholas Nethercote, Oriol Brufau, André Bargull, Bob Clary, Jet Villegas, Randell Jesup, Tyson Smith, Gary Kwong, and Ryan VanderMeulen as the original reporters.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation