High severity8.1NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2018-5178
CVE-2018-5178
Description
A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
38<52.8+ 1 more
- (no CPE)range: <52.8
- (no CPE)range: unspecified
<52.8+ 2 more
- (no CPE)range: <52.8
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- osv-coords33 versionspkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/MozillaFirefox&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%204pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
< 91.1.1-1.1+ 32 more
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.9.0esr-3.7.12
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.8.0esr-72.32.1
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 52.8.0esr-109.31.2
- (no CPE)range: < 68.2.0-109.95.2
- (no CPE)range: < 68.2.0-109.95.2
Patches
Vulnerability mechanics
References
16- www.securityfocus.com/bid/104138nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1040898nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:1414nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1415nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1725nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1726nvdThird Party Advisory
- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- lists.debian.org/debian-lts-announce/2018/05/msg00007.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2018/05/msg00013.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201810-01nvdThird Party Advisory
- security.gentoo.org/glsa/201811-13nvdThird Party Advisory
- usn.ubuntu.com/3660-1/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4199nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4209nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2018-12/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2018-13/nvdVendor Advisory
News mentions
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