Critical severity9.8NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026

CVE-2017-5456

Description

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mozilla Corporation/Firefoxllm-fuzzy3 versions
<52.1+ 2 more
- (no CPE)range: <52.1
- (no CPE)range: unspecified
- (no CPE)range: unspecified
osv-coords48 versions
pkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweed pkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweed pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/firefox-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/firefox-libffi-gcc5&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox-branding-SLE&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSS pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2 pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%206 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSS pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATA pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4 pkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4
< 128.5.1-1.1+ 47 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 92.0-1.2
- (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: < 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: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-72.5.2
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 52.2.0esr-108.3
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2
- (no CPE)range: < 3.29.5-47.3.2

Patches

Vulnerability mechanics

References

bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingPatchVendor Advisory
www.securityfocus.com/bid/97940nvdThird Party AdvisoryVDB Entry
www.securitytracker.com/id/1038320nvdThird Party AdvisoryVDB Entry
access.redhat.com/errata/RHSA-2017:1106nvdThird Party Advisory
www.mozilla.org/security/advisories/mfsa2017-10/nvdVendor Advisory
www.mozilla.org/security/advisories/mfsa2017-12/nvdVendor Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000