CVE-2017-7810

Description

Memory safety bugs were reported in Firefox 55 and Firefox ESR 52.3. 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 < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.51% Top 20%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html third party advisory mailing list
https://www.mozilla.org/security/advisories/mfsa2017-22/ vendor advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1386787%2C1389974%2C1371657%2C1360334%2C1390550%2C1380824%2C1387918%2C1395598 third party advisory issue tracking permissions required
http://www.securitytracker.com/id/1039465 third party advisory vdb entry
https://access.redhat.com/errata/RHSA-2017:2831 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:2885 third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2017-21/ vendor advisory
https://www.debian.org/security/2017/dsa-4014 third party advisory vendor advisory
https://usn.ubuntu.com/3688-1/ third party advisory vendor advisory
http://www.securityfocus.com/bid/101054 third party advisory vdb entry
https://www.mozilla.org/security/advisories/mfsa2017-23/ vendor advisory
https://www.debian.org/security/2017/dsa-3987 third party advisory vendor advisory
https://security.gentoo.org/glsa/201803-14 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-7810?
CVE-2017-7810 has been scored as a critical severity vulnerability.
How to fix CVE-2017-7810?
To fix CVE-2017-7810, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7810 being actively exploited in the wild?
It is possible that CVE-2017-7810 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7810?
CVE-2017-7810 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.