CVE-2020-26963

MEDIUM

Firefox < 83.0 - Denial of Service via Repeated History and Location API Calls

Title source: llm

Description

Repeated calls to the history and location interfaces could have been used to hang the browser. This was addressed by introducing rate-limiting to these API calls. This vulnerability affects Firefox < 83.

References (2)

Core 2

Core References

Issue Tracking, Permissions Required, Vendor Advisory x_refsource_misc

https://bugzilla.mozilla.org/show_bug.cgi?id=1314912

Vendor Advisory x_refsource_confirm

https://www.mozilla.org/security/advisories/mfsa2020-50/

Scores

CVSS v3 4.3

EPSS 0.0040

EPSS Percentile 61.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Details

Status published

Products (1)

mozilla/firefox < 83.0

Published Dec 09, 2020

Tracked Since Feb 18, 2026