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

CVE detail

CVE-2021-21193

Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 8.8 · HighBuzz score 59.4KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 59.4

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 26.4 · diversity 8.0 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
26.4
13 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
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
13 source links · newest first
  • Google fixed the 17th zero-day in Chrome since the start of the yearSecurity Affairs

    Google has released Chrome 96.0.4664.110 to address a high-severity zero-day vulnerability, tracked as CVE-2021-4102, exploited in the wild. Google released security updates to address five vulnerabilities in the Chrome web browser, including a high-severity zero-day flaw, tracked as CVE-2021-4102, exploited in the wild. The CVE-2021-4102 flaw is a use-after-free issue in the V8 JavaScript and WebAssembly engine, its exploitation could lead to the execution […]

    newssecurityaffairs.comDec 14, 2021, 8:11 AM
  • Google fixes 2 new actively exploited zero-day flaws in ChromeSecurity Affairs

    Google has released Chrome 95.0.4638.69 for Windows, Mac, and Linux to address two actively exploited zero-day vulnerabilities. Google has released Chrome 95.0.4638.69 for Windows, Mac, and Linux to address two zero-day vulnerabilities, tracked as CVE-2021-38000 and CVE-2021-38003, actively exploited in attacks in the wild. Google fixed a total of seven vulnerabilities with the latest release […]

    newssecurityaffairs.comOct 29, 2021, 7:09 AM
  • Google fixes 2 new actively exploited zero-day flaws in ChromeSecurity Affairs

    Google rolled out urgent security updates to address two new actively exploited zero-day vulnerabilities in its Chrome browser. Google this week rolled out urgent security updates for the Chrome browser to address four security flaws, including two new zero-day vulnerabilities that are being exploited in the wild. Google has addressed a total of five zero-day […]

    newssecurityaffairs.comOct 1, 2021, 10:48 AM
  • Google addressed the eleventh Chrome zero-day flaw this yearSecurity Affairs

    Google released a Chrome emergency update for Windows, Mac, and Linux that addresses a high-severity zero-day flaw exploited in the wild. Google has released Chrome 94.0.4606.61 for Windows, Mac, and Linux that addresses a high-severity zero-day vulnerability (CVE-2021-37973) exploited in the wild. An attacker can exploit this flaw to execute arbitrary code on systems running vulnerable Chrome versions. This vulnerability […]

    newssecurityaffairs.comSep 25, 2021, 11:04 AM
  • Google addresses a new Chrome zero-day flaw actively exploited in the wildSecurity Affairs

    Google Chrome 93.0.4577.82 for Windows, Mac, and Linux that addressed eleven security issues, including two zero-days actively exploited. Google released Chrome 93.0.4577.82 for Windows, Mac, and Linux that fixed eleven security issues, including two zero-days vulnerabilities actively exploited in the wild. This is the tenth zero-day vulnerability in Chrome fixed by Google that was exploited […]

    newssecurityaffairs.comSep 14, 2021, 6:24 AM
  • Update now! Google Chrome fixes two in-the-wild zero-daysMalwarebytes Labs

    Google announced on Monday that it will be issuing patches for 11 high severity vulnerabilities found in Chrome, including two that are…

    newswww.malwarebytes.comSep 13, 2021, 5:00 PM
  • Google Chrome 91.0.4472.164 fixes a new zero-day exploited in the wildSecurity Affairs

    Google Chrome 91.0.4472.164 addresses seven security vulnerabilities, including a high severity zero-day flaw exploited in the wild. Google has released Chrome 91.0.4472.164 for Windows, Mac, and Linux that addresses seven vulnerabilities, including a high severity zero-day vulnerability, tracked as CVE-2021-30563, that has been exploited in the wild. The CVE-2021-30563 is a “type confusion” issue that […]

    newssecurityaffairs.comJul 16, 2021, 11:58 AM
  • Google Patches Chrome zero-day actively exploitedSecurity Affairs

    Google this week addressed 14 vulnerabilities in the Chrome browser, including a zero-day flaw that has been exploited in the wild. Google released security updates to address 14 vulnerabilities in the Chrome browser, including a zero-day issue that has been exploited in the wild. The most severe of these flaws, tracked as CVE-2021-30544, is a […]

    newssecurityaffairs.comJun 10, 2021, 2:15 PM
  • Google Patches Chrome Zero-Day Used by Commercial Exploit CompanySecurityWeek

    Google this week released patches for 14 vulnerabilities in the Chrome browser, including a security flaw that has been exploited in the wild. Ten of the issues were reported by external security researchers: one rated critical severity, seven high severity, and two medium severity. All are patched in Chrome 91.0.4472.101 for Windows, Mac and Linux.

    newswww.securityweek.comJun 10, 2021, 11:07 AM
  • Google Patches 19 Vulnerabilities With Chrome 90 UpdateSecurityWeek

    Google this week announced yet another set of patches for Chrome, to address a total of 19 vulnerabilities affecting the web browser. The latest Chrome iteration – 90.0.4430.212 – is available for Windows, Mac, and Linux users. The Android and iOS variants of the browser were updated as well.

    newswww.securityweek.comMay 11, 2021, 11:53 AM
  • For the second time in a week, a Google Chromium zero-day released onlineSecurity Affairs

    For the second time in a week, a Chromium zero-day remote code execution exploit code has been released on Twitter, multiple browsers impacted. A new Chromium zero-day remote code execution exploit has been released on Twitter this week, like the previous one that affects current versions of Google Chrome, Microsoft Edge, and likely other Chromium-based browsers. The […]

    newssecurityaffairs.comApr 15, 2021, 6:11 AM
  • Google Chrome Zero-Day Under Attack, AgainSecurityWeek

    For the third time this year, Google has shipped an urgent fix to block in-the-wild zero-day attacks hitting its flagship Chrome browser.

    newswww.securityweek.comMar 15, 2021, 4:56 PM
  • Google fixes the third actively exploited Chrome 0-Day since JanuarySecurity Affairs

    Google has addressed a new zero-day flaw in its Chrome browser that has been actively exploited in the wild, the second one within a month Google has fixed a new actively exploited zero-day in its Chrome browser, this is the second zero-day issue addressed by the IT giant within a month. The flaw, tracked as […]

    newssecurityaffairs.comMar 15, 2021, 8:13 AM

Exploit code

Public exploit repository references

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0 repository references · best confidence N/A · max 0 stars
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