Vulnerability · NVD

CVE-2017-7756

CVE-2017-7756, critical severity (CVSS 9.8): 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 9.8
Exploitation: 2.6 %
Tracked apps: 2
Still exposed: 0

Published on 2018-06-11

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.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS 2.58% above median percentile 85.0%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <52.2.0 Fixed in 52.2.0 Latest tracked 157.0.1 patched
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <52.2.0 Fixed in 52.2.0 Latest tracked 158.0 patched

Vulnerable CPE configurations (3)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<52.2.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<54.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<52.2.0	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · bugzilla.mozilla.org Advisory · www.mozilla.org

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