Description
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.
Published: 2018-06-11
Score: 9.8 Critical
EPSS: 1.9% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1007-1 icedove/thunderbird security update
Debian DLA Debian DLA DLA-991-1 firefox-esr security update
Debian DSA Debian DSA DSA-3881-1 firefox-esr security update
Debian DSA Debian DSA DSA-3918-1 icedove/thunderbird security update
EUVD EUVD EUVD-2017-16731 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.
Ubuntu USN Ubuntu USN USN-3315-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3321-1 Thunderbird vulnerabilities
History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Subscriptions

Debian Debian Linux
Mozilla Firefox Thunderbird
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T16:12:28.226Z

Reserved: 2017-04-12T00:00:00.000Z

Link: CVE-2017-7756

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:08.030

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-7756

cve-icon Redhat

Severity : Important

Publid Date: 2017-06-14T00:00:00Z

Links: CVE-2017-7756 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses