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CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1. • http://www.securityfocus.com/bid/102039 http://www.securitytracker.com/id/1039954 https://bugzilla.mozilla.org/show_bug.cgi?id=1420001 https://www.mozilla.org/security/advisories/mfsa2017-27 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 5.3EPSS: 0%CPEs: 2EXPL: 0

If cursor visibility is toggled by script using from 'none' to an image and back through script, the cursor will be rendered temporarily invisible within Firefox. Note: This vulnerability only affects OS X. Other operating systems are not affected. This vulnerability affects Firefox < 58. Si la visibilidad del cursor se cambia con un script usando desde "nada" hasta una imagen y viceversa a través del script, el cursor se vuelve temporalmente invisible en Firefox. • http://www.securityfocus.com/bid/102786 http://www.securitytracker.com/id/1040270 https://bugzilla.mozilla.org/show_bug.cgi?id=1423275 https://www.mozilla.org/security/advisories/mfsa2018-02 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 1

A use-after-free can occur during buffer storage operations within the ANGLE graphics library, used for WebGL content. The buffer storage can be freed while still in use in some circumstances, leading to a potentially exploitable crash. Note: This issue is in "libGLES", which is only in use on Windows. Other operating systems are not affected. This vulnerability affects Firefox < 52 and Thunderbird < 52. • http://www.securityfocus.com/bid/96692 http://www.securitytracker.com/id/1037966 https://bugzilla.mozilla.org/show_bug.cgi?id=1325511 https://www.mozilla.org/security/advisories/mfsa2017-05 https://www.mozilla.org/security/advisories/mfsa2017-09 • CWE-416: Use After Free •

CVSS: 7.5EPSS: 0%CPEs: 4EXPL: 0

The destructor function for the "WindowsDllDetourPatcher" class can be re-purposed by malicious code in concert with another vulnerability to write arbitrary data to an attacker controlled location in memory. This can be used to bypass existing memory protections in this situation. Note: This attack only affects Windows operating systems. Other operating systems are not affected. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. • http://www.securityfocus.com/bid/100234 http://www.securitytracker.com/id/1039124 https://bugzilla.mozilla.org/show_bug.cgi?id=1372849 https://www.mozilla.org/security/advisories/mfsa2017-18 https://www.mozilla.org/security/advisories/mfsa2017-19 https://www.mozilla.org/security/advisories/mfsa2017-20 • CWE-20: Improper Input Validation •

CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 1

A previously installed malicious Android application which defines a specific signature-level permissions used by Firefox can access API keys meant for Firefox only. Note: This issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 50. Una aplicación Android maliciosa previamente instalada que define permisos específicos a nivel de firma empleados por Firefox puede acceder a claves API destinadas solo a Firefox. • http://www.securityfocus.com/bid/94337 http://www.securitytracker.com/id/1037298 https://bugzilla.mozilla.org/show_bug.cgi?id=1245795 https://www.mozilla.org/security/advisories/mfsa2016-89 • CWE-275: Permission Issues •