High severity7.5NVD Advisory· Published Jun 11, 2018· Updated Jun 17, 2026
CVE-2017-7803
CVE-2017-7803
Description
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31- osv-coords28 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg: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&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg: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%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg: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%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%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012
< 128.5.1-1.1+ 27 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: < 52-24.5.1
- (no CPE)range: < 52-24.5.1
- (no CPE)range: < 52-24.5.1
- (no CPE)range: < 52-24.5.1
- (no CPE)range: < 52-24.5.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-72.9.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0esr-109.3.1
- (no CPE)range: < 52.3.0-42.1
unspecified+ 1 more
- (no CPE)range: unspecified
- (no CPE)range: unspecified
- Range: unspecified
Patches
Vulnerability mechanics
References
11- bugzilla.mozilla.org/show_bug.cginvdExploitIssue TrackingPatch
- www.securityfocus.com/bid/100234nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1039124nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:2456nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:2534nvdThird Party Advisory
- security.gentoo.org/glsa/201803-14nvdThird Party Advisory
- www.debian.org/security/2017/dsa-3928nvdThird Party Advisory
- www.debian.org/security/2017/dsa-3968nvdThird Party Advisory
- www.mozilla.org/security/advisories/mfsa2017-18/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2017-19/nvdVendor Advisory
- www.mozilla.org/security/advisories/mfsa2017-20/nvdVendor Advisory
News mentions
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