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Vulnerability record · CVE-2018-5127 · published 11 June 2018

CVE-2018-5127: Redhat enterprise linux desktop memory buffer overflow vulnerability

Redhat · Enterprise Linux Desktop

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.

8.8 CVSS 3.0 High EPSS 7.9% · top 5.5% CWE-119 · Memory buffer overflow
8.8CVSS 3.0 base score, v2 6.8
7.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
9Affected product versions listed by NVD
36References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

9 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/103388 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040514 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0526 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0527 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0647 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0648 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1430557 Issue TrackingPermissions Required
https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html Third Party Advisory
https://security.gentoo.org/glsa/201810-01 Third Party Advisory
https://security.gentoo.org/glsa/201811-13 Third Party Advisory
https://usn.ubuntu.com/3545-1/ Third Party Advisory
https://usn.ubuntu.com/3596-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4139 Third Party Advisory
https://www.debian.org/security/2018/dsa-4155 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-07/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-09/ Vendor Advisory
http://www.securityfocus.com/bid/103388 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040514 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2018:0526 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0527 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0647 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0648 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1430557 Issue TrackingPermissions Required
https://lists.debian.org/debian-lts-announce/2018/03/msg00010.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00029.html Third Party Advisory
https://security.gentoo.org/glsa/201810-01 Third Party Advisory
https://security.gentoo.org/glsa/201811-13 Third Party Advisory
https://usn.ubuntu.com/3545-1/ Third Party Advisory
https://usn.ubuntu.com/3596-1/ Third Party Advisory
https://www.debian.org/security/2018/dsa-4139 Third Party Advisory
https://www.debian.org/security/2018/dsa-4155 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-06/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-07/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-09/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2018-5127), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.