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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2020-12387

A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.

CVSS 8.1 · HighBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • Firefox 76 delivers new password security features and security fixesHelp Net Security

    Mozilla has released Firefox 76, which comes with critical security fixes and new features related to Firefox Lockwise, the browser’s password manager/generator that’s also available as a standalone app for iOS and Android. New Firefox password security features Just in time for this year’s World Password Day, Mozilla has released new Firefox Lockwise features. Starting with Firefox 76, users will be able to check whether any of the passwords they use are vulnerable (e.g., identical … More →

    newswww.helpnetsecurity.comMay 7, 2020, 11:20 AM
  • Firefox 76 Brings Security Patches, Breached Password AlertsSecurityWeek

    Mozilla this week released Firefox 76 to the stable channel with an updated password manager, alerts for breached passwords, and patches for 11 vulnerabilities. Starting with the new release, the browser aims to help users better keep their accounts secure and easily generate strong passwords, courtesy of the new Firefox Lockwise password manager.

    newswww.securityweek.comMay 6, 2020, 1:41 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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