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CVE-2017-5403

CVE-2017-5403

EPSS 1.7%
When adding a range to an object in the DOM, it is possible to use "addRange" to add the range to an incorrect root object. This triggers a use-after-free, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 52 and Thunderbird < 52.
Affected products
Mozilla · FirefoxMozilla · Thunderbird

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References
https://bugzilla.mozilla.org/show_bug.cgi?id=1340186https://www.mozilla.org/security/advisories/mfsa2017-05/https://www.mozilla.org/security/advisories/mfsa2017-09/http://www.securityfocus.com/bid/96691http://www.securitytracker.com/id/1037966