cbcvebase.
CVE-2020-15681
published 2020-10-22

CVE-2020-15681: When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a…

PriorityP335high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.08%
61.0th percentile
When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.

Affected

7 ranges
VendorProductVersion rangeFixed in
debianfirefox< firefox 82.0-1 (sid)firefox 82.0-1 (sid)
mozillafirefox< 82.082.0
mozillafirefox
mozillafirefox>= 0 < 82.0+build2-0ubuntu0.16.04.582.0+build2-0ubuntu0.16.04.5
mozillafirefox>= 0 < 82.0+build2-0ubuntu0.18.04.182.0+build2-0ubuntu0.18.04.1
mozillafirefox>= 0 < 82.0+build2-0ubuntu0.20.04.182.0+build2-0ubuntu0.20.04.1
mozillafirefox>= unspecified < 8282

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
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