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CVE-2020-15681 PUBLISHED

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.

EPSS 0.43% · 62.6th percentile

Risk Scores

EPSS Score
0.43%
62.6th percentile

Affected Products

VendorProductVersions
Ubuntu:18.04:LTSfirefox0, 56.0+build6-0ubuntu1, 59.0.1+build1-0ubuntu1
Ubuntu:18.04:LTSmozjs520, 52.3.1-0ubuntu3, 52.3.1-7fakesync1
Ubuntu:18.04:LTSmozjs380, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3
Ubuntu:16.04:LTSfirefox68.0.1+build1-0ubuntu0.16.04.1, 68.0.2+build1-0ubuntu0.16.04.1, 69.0+build2-0ubuntu0.16.04.4
Ubuntu:20.04:LTSfirefox0, 69.0.3+build1-0ubuntu1, 70.0+build2-0ubuntu1
Ubuntu:20.04:LTSmozjs680, 68.5.0-1~fakesync, 68.5.0-2~fakesync
Ubuntu:20.04:LTSmozjs520, 52.9.1-1build1, 52.9.1-1ubuntu3

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References

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