CVE-2020-26963

MEDIUM
4.3
CVSS Score
Published: December 9, 2020 at 12:24 AM UTC
Updated: June 17, 2026 at 03:08 AM UTC
1 product affected across 1 vendorFirefox

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 83
Affected range stops below 83, so it looks safe — our inference, not a vendor statement
Affected range stops below 83.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1314912

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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