Description
A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-1118-1 | firefox-esr security update |
Debian DLA |
DLA-1153-1 | icedove/thunderbird security update |
Debian DSA |
DSA-3987-1 | firefox-esr security update |
Debian DSA |
DSA-4014-1 | thunderbird security update |
EUVD |
EUVD-2017-16768 | A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4. |
Ubuntu USN |
USN-3435-1 | Firefox vulnerabilities |
Ubuntu USN |
USN-3436-1 | Thunderbird vulnerabilities |
References
History
Tue, 25 Nov 2025 18:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | ||
| Vendors & Products |
Mozilla firefox Esr
|
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Status: PUBLISHED
Assigner: mozilla
Published:
Updated: 2024-08-05T16:12:28.398Z
Reserved: 2017-04-12T00:00:00.000Z
Link: CVE-2017-7793
No data.
Status : Modified
Published: 2018-06-11T21:29:09.500
Modified: 2025-11-25T17:50:16.803
Link: CVE-2017-7793
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Ubuntu USN