Vulnerability in Mozilla Firefox
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 shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.
EPSS: 0.011 (62.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mozilla Firefox — versions unspecified
References
- security@mozilla.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15681?
- CVE-2020-15681 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 7.5/10. Published 2020-10-22.
- How severe is CVE-2020-15681?
- High severity. CVSS v3 base score is 7.5 out of 10.