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

CVE detail

CVE-2021-43538

By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVSS 4.3 · MediumBuzz 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
  • Mozilla fixed high-severity bugs in Firefox and Thunderbird mail clientSecurity Affairs

    Mozilla released security updates for the Firefox browser and Thunderbird mail client to address multiple vulnerabilities. Mozilla released security updates to address multiple vulnerabilities in the Firefox browser and Thunderbird mail client. The company addressed 13 vulnerabilities in the Firefox browser with the release of Firefox 95, including six high-severity flaws. The most severe of […]

    newssecurityaffairs.comDec 9, 2021, 7:12 PM
  • Mozilla Patches High-Severity Vulnerabilities in Firefox, ThunderbirdSecurityWeek

    Mozilla this week released security updates for the Firefox browser and Thunderbird mail client to address multiple vulnerabilities, including several bugs rated high severity .

    newswww.securityweek.comDec 9, 2021, 2:45 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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