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CVE-2017-7756 PUBLISHED

A use-after-free and use-after-scope vulnerability when logging errors from headers for XML HTTP Requests (XHR). This could result in a potentially exploitable crash. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

EPSS 1.87% · 83.0th percentile

Risk Scores

EPSS Score
1.87%
83.0th percentile

Affected Products

VendorProductVersions
Ubuntu:14.04:LTSfirefox24.0+build1-0ubuntu1, 25.0+build3-0ubuntu0.13.10.1, 28.0~b2+build1-0ubuntu2
Ubuntu:14.04:LTSthunderbird1:38.6.0+build1-0ubuntu0.14.04.1, 0, 1:24.0+build1-0ubuntu1
Ubuntu:16.04:LTSthunderbird0, 1:38.3.0+build1-0ubuntu2, 1:38.5.1+build2-0ubuntu1
Ubuntu:16.04:LTSfirefox49.0+build4-0ubuntu0.16.04.1, 49.0.2+build2-0ubuntu0.16.04.2, 50.0+build2-0ubuntu0.16.04.2

Timeline

References

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