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.
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Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.
No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| debian | debian_linux | - | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
23
Affected Products
24
References
debian / debian_linux
| - |
| redhat | enterprise_linux | - | - |
| redhat | enterprise_linux | - | - |
| redhat | enterprise_linux | - | - |
| redhat | enterprise_linux_desktop | - | - |
| redhat | enterprise_linux_desktop | - | - |
| redhat | enterprise_linux_desktop | - | - |
| redhat | enterprise_linux_server | - | - |
| redhat | enterprise_linux_server | - | - |
| redhat | enterprise_linux_server | - | - |
| redhat | enterprise_linux_server_aus | - | - |
| redhat | enterprise_linux_server_aus | - | - |
| redhat | enterprise_linux_server_eus | - | - |
| redhat | enterprise_linux_server_eus | - | - |
| redhat | enterprise_linux_server_eus | - | - |
| redhat | enterprise_linux_workstation | - | - |
| redhat | enterprise_linux_workstation | - | - |
| redhat | enterprise_linux_workstation | - | - |
| mozilla | thunderbird | 52.4.0 | - |
| mozilla | firefox | 56.0 | - |
| mozilla | firefox | 52.4.0 | - |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact