CVE-2018-5127

Description

A buffer overflow can occur when manipulating the SVG "animatedPathSegList" through script. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.7, Firefox ESR < 52.7, and Firefox < 59.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 18.40% Top 10%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Thunderbird
Affected: Mozilla Firefox ESR
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2018/dsa-4139 third party advisory vendor advisory
https://security.gentoo.org/glsa/201810-01 third party advisory vendor advisory
http://www.securityfocus.com/bid/103388 vdb entry third party advisory
https://security.gentoo.org/glsa/201811-13 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0527 third party advisory vendor advisory
https://usn.ubuntu.com/3545-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html third party advisory mailing list
https://www.mozilla.org/security/advisories/mfsa2018-09/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-07/ vendor advisory
https://access.redhat.com/errata/RHSA-2018:0526 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html third party advisory mailing list
https://www.debian.org/security/2018/dsa-4155 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0648 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2018:0647 third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1430557 issue tracking permissions required
http://www.securitytracker.com/id/1040514 vdb entry third party advisory
https://usn.ubuntu.com/3596-1/ third party advisory vendor advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5127?
CVE-2018-5127 has been scored as a high severity vulnerability.
How to fix CVE-2018-5127?
To fix CVE-2018-5127, 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-2018-5127 being actively exploited in the wild?
It is possible that CVE-2018-5127 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~18% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5127?
CVE-2018-5127 affects Mozilla Thunderbird, Mozilla Firefox ESR, Mozilla Firefox.
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