Critical severity9.1NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2017-5447
CVE-2017-5447
Description
An out-of-bounds read during the processing of glyph widths during text layout. This results in a potentially exploitable crash and could allow an attacker to read otherwise inaccessible memory. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
102<45.9, <52.1+ 2 more
- (no CPE)range: <45.9, <52.1
- (no CPE)range: unspecified
- (no CPE)range: unspecified
<52.1+ 1 more
- (no CPE)range: <52.1
- (no CPE)range: unspecified
- osv-coords97 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/java-1_8_0-openjdk&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg: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%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg: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%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Manager%202.1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/mozilla-nspr&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%202.1pkg:rpm/suse/mozilla-nss&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/mozilla-nss&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012
< 128.5.1-1.1+ 96 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
- (no CPE)range: < 91.1.1-1.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 5.3.1+r233831-7.1
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 1.8.0.121-23.4
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-24.3.44
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 52-31.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-105.1
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 45.9.0esr-71.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-18.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 4.13.1-32.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-57.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 3.29.5-46.1
- (no CPE)range: < 52.1.0-30.1
Patches
Vulnerability mechanics
References
12- bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingVendor Advisory
- www.exploit-db.com/exploits/42071/nvdExploitThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/97940nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1038320nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:1104nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:1106nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:1201nvdThird Party Advisory
- www.debian.org/security/2017/dsa-3831nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2017-10/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2017-11/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2017-12/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2017-13/nvdVendor Advisory
News mentions
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